diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,44 @@
 # mackerel-plugin-epgstation
+
 A Mackerel plugin to collect EPGStation metrics
+
+## Example Metrics
+
+```console
+$ mackerel-plugin-epgstation
+epgstation.recording.recording  1       1675135687
+epgstation.encode.running       0       1675135687
+epgstation.encode.waiting       0       1675135687
+epgstation.storages.available   65423953920     1675135687
+epgstation.storages.used        3671338823680   1675135687
+epgstation.storages.total       3936818806784   1675135687
+epgstation.streams.live_stream  0       1675135687
+epgstation.streams.live_hls     0       1675135687
+epgstation.streams.recorded_stream      0       1675135687
+epgstation.streams.recorded_hls 0       1675135687
+epgstation.reservation.normal   751     1675135687
+epgstation.reservation.skips    0       1675135687
+epgstation.reservation.overlaps 82      1675135687
+epgstation.reservation.conflicts        0       1675135687
+```
+
+## Usage
+
+1. Install via mkr / or download releases directly
+
+```console
+$ mkr plugin install SlashNephy/mackerel-plugin-epgstation
+```
+
+2. Append following configuration to `mackerel-agent.conf`
+
+```conf
+[plugin.metrics.epgstation]
+command = "/opt/mackerel-agent/plugins/bin/mackerel-plugin-epgstation"
+```
+
+mackerel-plugin-epgstation has some command-line options. Check the help for details.
+
+```console
+$ /opt/mackerel-agent/plugins/bin/mackerel-plugin-epgstation --help
+```