diff --git a/apisix/core.lua b/apisix/core.lua
index 051dae36af75..88be71541459 100644
--- a/apisix/core.lua
+++ b/apisix/core.lua
@@ -23,6 +23,7 @@ log.info("use config_center: ", config_center)
 
 return {
     version  = require("apisix.core.version"),
+    name     = local_conf.apisix and local_conf.apisix.name or "APISIX",
     log      = log,
     config   = require("apisix.core.config_" .. config_center),
     json     = require("apisix.core.json"),
diff --git a/apisix/core/config_etcd.lua b/apisix/core/config_etcd.lua
index dd0a5487bac1..177f68a4f615 100644
--- a/apisix/core/config_etcd.lua
+++ b/apisix/core/config_etcd.lua
@@ -381,6 +381,9 @@ function _M.new(key, opts)
 
     local etcd_conf = clone_tab(local_conf.etcd)
     local prefix = etcd_conf.prefix
+            or (local_conf.apisix.name and '/' .. local_conf.apisix.name)
+            or "/apisix"
+    log.info("config etcd prefix ", prefix)
     etcd_conf.http_host = etcd_conf.host
     etcd_conf.host = nil
     etcd_conf.prefix = nil
diff --git a/apisix/core/etcd.lua b/apisix/core/etcd.lua
index 818c99b95d1c..2e8fe5f1c125 100644
--- a/apisix/core/etcd.lua
+++ b/apisix/core/etcd.lua
@@ -17,6 +17,7 @@
 local fetch_local_conf = require("apisix.core.config_local").local_conf
 local etcd = require("resty.etcd")
 local clone_tab = require("table.clone")
+local log = require("apisix.core.log")
 
 local _M = {version = 0.1}
 
@@ -29,6 +30,9 @@ local function new()
 
     local etcd_conf = clone_tab(local_conf.etcd)
     local prefix = etcd_conf.prefix
+            or (local_conf.apisix.name and '/' .. local_conf.apisix.name)
+            or "/apisix"
+    log.info("etcd prefix ", prefix)
     etcd_conf.http_host = etcd_conf.host
     etcd_conf.host = nil
     etcd_conf.prefix = nil
diff --git a/apisix/plugins/prometheus/exporter.lua b/apisix/plugins/prometheus/exporter.lua
index 2c0b6fc618ab..da5d4661630d 100644
--- a/apisix/plugins/prometheus/exporter.lua
+++ b/apisix/plugins/prometheus/exporter.lua
@@ -23,6 +23,8 @@ local re_gmatch = ngx.re.gmatch
 local tonumber = tonumber
 local select = select
 local prometheus
+local app_name_label_name = "application_name"
+
 
 -- Default set of latency buckets, 1ms to 60s:
 local DEFAULT_BUCKETS = { 1, 2, 5, 7, 10, 15, 20, 25, 30, 40, 50, 60, 70,
@@ -62,19 +64,20 @@ function _M.init()
     prometheus = base_prometheus.init("prometheus-metrics", "apisix_")
     metrics.connections = prometheus:gauge("nginx_http_current_connections",
             "Number of HTTP connections",
-            {"state"})
+            {"state", app_name_label_name})
 
     metrics.etcd_reachable = prometheus:gauge("etcd_reachable",
-            "Config server etcd reachable from APISIX, 0 is unreachable")
+            "Config server etcd reachable from APISIX, 0 is unreachable",
+            {app_name_label_name})
 
     -- per service
     metrics.status = prometheus:counter("http_status",
             "HTTP status codes per service in APISIX",
-            {"code", "route", "service", "node"})
+            {"code", "route", "service", "node", app_name_label_name})
 
     metrics.latency = prometheus:histogram("http_latency",
         "HTTP request latency per service in APISIX",
-        {"type", "service", "node"}, DEFAULT_BUCKETS)
+        {"type", "service", "node", app_name_label_name}, DEFAULT_BUCKETS)
 
     metrics.overhead = prometheus:histogram("http_overhead",
         "HTTP request overhead per service in APISIX",
@@ -82,7 +85,7 @@ function _M.init()
 
     metrics.bandwidth = prometheus:counter("bandwidth",
             "Total bandwidth in bytes consumed per service in APISIX",
-            {"type", "route", "service", "node"})
+            {"type", "route", "service", "node", app_name_label_name})
 end
 
 
@@ -102,24 +105,24 @@ function _M.log(conf, ctx)
     end
 
     metrics.status:inc(1,
-        gen_arr(vars.status, route_id, service_id, balancer_ip))
+        gen_arr(vars.status, route_id, service_id, balancer_ip, core.name))
 
     local latency = (ngx.now() - ngx.req.start_time()) * 1000
     metrics.latency:observe(latency,
-        gen_arr("request", service_id, balancer_ip))
+        gen_arr("request", service_id, balancer_ip, core.name))
 
     local overhead = latency
     if ctx.var.upstream_response_time then
         overhead =  overhead - tonumber(ctx.var.upstream_response_time) * 1000
     end
     metrics.overhead:observe(overhead,
-        gen_arr("request", service_id, balancer_ip))
+        gen_arr("request", service_id, balancer_ip, core.name))
 
     metrics.bandwidth:inc(vars.request_length,
-        gen_arr("ingress", route_id, service_id, balancer_ip))
+        gen_arr("ingress", route_id, service_id, balancer_ip, core.name))
 
     metrics.bandwidth:inc(vars.bytes_sent,
-        gen_arr("egress", route_id, service_id, balancer_ip))
+        gen_arr("egress", route_id, service_id, balancer_ip, core.name))
 end
 
 
@@ -151,6 +154,7 @@ local function nginx_status()
         end
 
         label_values[1] = name
+        label_values[2] = core.name
         metrics.connections:set(val[0], label_values)
     end
 end
@@ -170,10 +174,10 @@ function _M.collect()
     local config = core.config.new()
     local version, err = config:server_version()
     if version then
-        metrics.etcd_reachable:set(1)
+        metrics.etcd_reachable:set(1, core.name)
 
     else
-        metrics.etcd_reachable:set(0)
+        metrics.etcd_reachable:set(0, core.name)
         core.log.error("prometheus: failed to reach config server while ",
                        "processing metrics endpoint: ", err)
     end
diff --git a/apisix/plugins/skywalking/client.lua b/apisix/plugins/skywalking/client.lua
index f83a6e35bf80..60cd8a80a210 100644
--- a/apisix/plugins/skywalking/client.lua
+++ b/apisix/plugins/skywalking/client.lua
@@ -33,7 +33,7 @@ local function register_service(conf)
         return service_id
     end
 
-    local service_name = conf.service_name
+    local service_name = conf.service_name or core.name
     local service = register.newServiceRegister(service_name)
 
     local httpc = http.new()
diff --git a/apisix/plugins/zipkin.lua b/apisix/plugins/zipkin.lua
index 934d88398ac1..458bf9f3770f 100644
--- a/apisix/plugins/zipkin.lua
+++ b/apisix/plugins/zipkin.lua
@@ -33,8 +33,7 @@ local schema = {
         sample_ratio = {type = "number", minimum = 0.00001, maximum = 1},
         service_name = {
             type = "string",
-            description = "service name for zipkin reporter",
-            default = "APISIX",
+            description = "service name for zipkin reporter"
         },
         server_addr = {
             type = "string",
diff --git a/apisix/plugins/zipkin/reporter.lua b/apisix/plugins/zipkin/reporter.lua
index cc71fc5c8cca..a005053d9cfa 100644
--- a/apisix/plugins/zipkin/reporter.lua
+++ b/apisix/plugins/zipkin/reporter.lua
@@ -14,6 +14,7 @@
 -- See the License for the specific language governing permissions and
 -- limitations under the License.
 --
+local core = require "apisix.core"
 local resty_http = require "resty.http"
 local to_hex = require "resty.string".to_hex
 local cjson = require "cjson".new()
@@ -39,10 +40,11 @@ local span_kind_map = {
 
 function _M.new(conf)
     local endpoint = conf.endpoint
-    local service_name = conf.service_name
+    local service_name = conf.service_name or core.name
     local server_port = conf.server_port
     local server_addr = conf.server_addr
     assert(type(endpoint) == "string", "invalid http endpoint")
+    core.log.info("the service name of zipkin:", service_name)
     return setmetatable({
         endpoint = endpoint,
         service_name = service_name,
diff --git a/apisix/utils/log-util.lua b/apisix/utils/log-util.lua
index b11a435808f8..1714874fe5b1 100644
--- a/apisix/utils/log-util.lua
+++ b/apisix/utils/log-util.lua
@@ -34,6 +34,7 @@ local function get_full_log(ngx, conf)
         service_id = var.host
     end
 
+
     local log =  {
         request = {
             url = url,
@@ -48,6 +49,7 @@ local function get_full_log(ngx, conf)
             headers = ngx.resp.get_headers(),
             size = var.bytes_sent
         },
+        application_name = core.name,
         upstream = var.upstream_addr,
         service_id = service_id,
         route_id = route_id,
diff --git a/conf/config.yaml b/conf/config.yaml
index fe7716d87afd..26ad5caf8fcb 100644
--- a/conf/config.yaml
+++ b/conf/config.yaml
@@ -15,6 +15,7 @@
 # limitations under the License.
 #
 apisix:
+  name: APISIX                   # APISIX gateway name
   node_listen: 9080              # APISIX listening port
   enable_heartbeat: true
   enable_admin: true
diff --git a/t/core/core.t b/t/core/core.t
new file mode 100644
index 000000000000..d56f9e42c1c0
--- /dev/null
+++ b/t/core/core.t
@@ -0,0 +1,75 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+use t::APISIX 'no_plan';
+
+repeat_each(1);
+no_long_string();
+no_shuffle();
+no_root_location();
+
+sub read_file($) {
+    my $infile = shift;
+    open my $in, $infile
+        or die "cannot open $infile for reading: $!";
+    my $cert = do { local $/; <$in> };
+    close $in;
+    $cert;
+}
+
+our $yaml_config = read_file("conf/config.yaml");
+$yaml_config =~ s/name: APISIX/name: test-gateway/;
+$yaml_config =~ s/prefix: \"\/apisix\"/prefix: \"\/test-gateway\"/;
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: the default core name
+--- config
+    location /t {
+        content_by_lua_block {
+            local core = require("apisix.core")
+            ngx.say(core.name)
+        }
+    }
+--- request
+GET /t
+--- response_body
+APISIX
+--- no_error_log
+[error]
+
+
+
+=== TEST 2: custom name
+--- yaml_config eval: $::yaml_config
+--- config
+    location /t {
+        content_by_lua_block {
+            local core = require("apisix.core")
+            ngx.say(core.name)
+        }
+    }
+--- request
+GET /t
+--- response_body
+test-gateway
+--- error_log
+config etcd prefix /test-gateway,
+etcd prefix /test-gateway,
+--- no_error_log
+[error]
diff --git a/t/plugin/prometheus.t b/t/plugin/prometheus.t
index 4e99b84d4a95..0485beb568ba 100644
--- a/t/plugin/prometheus.t
+++ b/t/plugin/prometheus.t
@@ -30,7 +30,20 @@ repeat_each(1);
 no_long_string();
 no_shuffle();
 no_root_location();
-run_tests;
+
+sub read_file($) {
+    my $infile = shift;
+    open my $in, $infile
+        or die "cannot open $infile for reading: $!";
+    my $cert = do { local $/; <$in> };
+    close $in;
+    $cert;
+}
+
+our $yaml_config = read_file("conf/config.yaml");
+$yaml_config =~ s/name: APISIX/name: test-gateway/;
+
+run_tests();
 
 __DATA__
 
@@ -121,7 +134,7 @@ passed
 --- request
 GET /apisix/prometheus/metrics
 --- response_body_like
-apisix_etcd_reachable 1
+apisix_etcd_reachable{application_name="APISIX"} 1
 --- no_error_log
 [error]
 
@@ -151,7 +164,7 @@ apisix_etcd_reachable 1
 --- request
 GET /apisix/prometheus/metrics
 --- response_body eval
-qr/apisix_bandwidth\{type="egress",route="1",service="",node="127.0.0.1"\} \d+/
+qr/apisix_bandwidth\{type="egress",route="1",service="",node="127.0.0.1",application_name="APISIX"\} \d+/
 --- no_error_log
 [error]
 
@@ -293,7 +306,7 @@ passed
 --- request
 GET /apisix/prometheus/metrics
 --- response_body eval
-qr/apisix_bandwidth\{type="egress",route="1",service="",node="127.0.0.1"\} \d+/
+qr/apisix_bandwidth\{type="egress",route="1",service="",node="127.0.0.1",application_name="APISIX"\} \d+/
 --- no_error_log
 [error]
 
@@ -303,7 +316,7 @@ qr/apisix_bandwidth\{type="egress",route="1",service="",node="127.0.0.1"\} \d+/
 --- request
 GET /apisix/prometheus/metrics
 --- response_body eval
-qr/apisix_http_latency_count\{type="request",service="",node="127.0.0.1"\} \d+/
+qr/apisix_http_latency_count\{type="request",service="",node="127.0.0.1",application_name="APISIX"\} \d+/
 --- no_error_log
 [error]
 
@@ -386,7 +399,7 @@ passed
 --- request
 GET /apisix/prometheus/metrics
 --- response_body eval
-qr/apisix_bandwidth\{type="egress",route="2",service="1",node="127.0.0.1"\} \d+/
+qr/apisix_bandwidth\{type="egress",route="2",service="1",node="127.0.0.1",application_name="APISIX"\} \d+/
 --- no_error_log
 [error]
 
@@ -521,7 +534,7 @@ passed
 --- request
 GET /apisix/prometheus/metrics
 --- response_body eval
-qr/apisix_http_status\{code="404",route="3",service="",node="127.0.0.1"\} 2/
+qr/apisix_http_status\{code="404",route="3",service="",node="127.0.0.1",application_name="APISIX"\} 2/
 --- no_error_log
 [error]
 
@@ -663,3 +676,12 @@ GET /t
 passed
 --- no_error_log
 [error]
+
+=== TEST 32: change application_name
+--- yaml_config eval: $::yaml_config
+--- request
+GET /apisix/prometheus/metrics
+--- response_body_like
+apisix_etcd_reachable{application_name="test-gateway"} 1
+--- no_error_log
+[error]