diff --git a/src/adapter.ts b/src/adapter.ts
index 638f2e4..71e1a76 100644
--- a/src/adapter.ts
+++ b/src/adapter.ts
@@ -14,7 +14,7 @@
 
 import {Adapter, Helper, Model} from 'casbin';
 import {CasbinRule} from './casbinRule';
-import {Connection, ConnectionOptions, createConnection, getRepository} from 'typeorm';
+import {Connection, ConnectionOptions, createConnection, getRepository, getConnection} from 'typeorm';
 import {CasbinMongoRule} from './casbinMongoRule';
 
 type GenericCasbinRule = CasbinRule | CasbinMongoRule;
@@ -130,7 +130,21 @@ export default class TypeORMAdapter implements Adapter {
                 lines.push(line);
             }
         }
-        await getRepository(this.getCasbinRuleConstructor(), this.option.name).save(lines);
+
+        const queryRunner = this.typeorm.createQueryRunner();
+
+        await queryRunner.connect();
+        await queryRunner.startTransaction();
+
+        try {
+            await queryRunner.manager.save(lines);
+            await queryRunner.commitTransaction();
+        } catch (err) {
+            await queryRunner.rollbackTransaction();
+            throw err;
+        } finally {
+            await queryRunner.release();
+        }
 
         return true;
     }
@@ -143,6 +157,32 @@ export default class TypeORMAdapter implements Adapter {
         await getRepository(this.getCasbinRuleConstructor(), this.option.name).save(line);
     }
 
+    /**
+     * addPolicies adds policy rules to the storage.
+     */
+    public async addPolicies(sec: string, ptype: string, rules: string[][]) {
+        const lines: GenericCasbinRule[] = [];
+        for (const rule of rules) {
+            const line = this.savePolicyLine(ptype, rule);
+            lines.push(line);
+        }
+
+        const queryRunner = this.typeorm.createQueryRunner();
+
+        await queryRunner.connect();
+        await queryRunner.startTransaction();
+
+        try {
+            await queryRunner.manager.save(lines);
+            await queryRunner.commitTransaction();
+        } catch (err) {
+            await queryRunner.rollbackTransaction();
+            throw err;
+        } finally {
+            await queryRunner.release();
+        }
+    }
+
     /**
      * removePolicy removes a policy rule from the storage.
      */
@@ -151,6 +191,30 @@ export default class TypeORMAdapter implements Adapter {
         await getRepository(this.getCasbinRuleConstructor(), this.option.name).delete(line);
     }
 
+    /**
+     * removePolicies removes policy rules from the storage.
+     */
+    public async removePolicies(sec: string, ptype: string, rules: string[][]) {
+        const queryRunner = this.typeorm.createQueryRunner();
+        const type = TypeORMAdapter.getCasbinRuleType(this.option.type);
+
+        await queryRunner.connect();
+        await queryRunner.startTransaction();
+
+        try {
+            for (const rule of rules) {
+                const line = this.savePolicyLine(ptype, rule);
+                await queryRunner.manager.delete(type, line);
+            }
+            await queryRunner.commitTransaction();
+        } catch (err) {
+            await queryRunner.rollbackTransaction();
+            throw err;
+        } finally {
+            await queryRunner.release();
+        }
+    }
+
     /**
      * removeFilteredPolicy removes policy rules that match the filter from the storage.
      */
diff --git a/test/adapter.test.ts b/test/adapter.test.ts
index 64ae76f..63d5ae2 100644
--- a/test/adapter.test.ts
+++ b/test/adapter.test.ts
@@ -76,9 +76,50 @@ test('TestAdapter', async () => {
             ['data2_admin', 'data2', 'write'],
             ['role', 'res', 'action']]);
 
+        await a.addPolicies('', 'p', [
+            ['role1', 'res1', 'action1'],
+            ['role2', 'res2', 'action2'],
+            ['role3', 'res3', 'action3'],
+            ['role4', 'res4', 'action4'],
+            ['role5', 'res5', 'action5']
+        ]);
+        e = await Enforcer.newEnforcer('examples/rbac_model.conf', a);
+        testGetPolicy(e, [
+            ['alice', 'data1', 'read'],
+            ['bob', 'data2', 'write'],
+            ['data2_admin', 'data2', 'read'],
+            ['data2_admin', 'data2', 'write'],
+            ['role', 'res', 'action'],
+            ['role1', 'res1', 'action1'],
+            ['role2', 'res2', 'action2'],
+            ['role3', 'res3', 'action3'],
+            ['role4', 'res4', 'action4'],
+            ['role5', 'res5', 'action5']
+        ]);
+
         // Remove policy from DB
         await a.removePolicy('', 'p', ['role', 'res', 'action']);
         e = await Enforcer.newEnforcer('examples/rbac_model.conf', a);
+        testGetPolicy(e, [
+            ['alice', 'data1', 'read'],
+            ['bob', 'data2', 'write'],
+            ['data2_admin', 'data2', 'read'],
+            ['data2_admin', 'data2', 'write'],
+            ['role1', 'res1', 'action1'],
+            ['role2', 'res2', 'action2'],
+            ['role3', 'res3', 'action3'],
+            ['role4', 'res4', 'action4'],
+            ['role5', 'res5', 'action5']
+        ]);
+
+        await a.removePolicies('', 'p', [
+            ['role1', 'res1', 'action1'],
+            ['role2', 'res2', 'action2'],
+            ['role3', 'res3', 'action3'],
+            ['role4', 'res4', 'action4'],
+            ['role5', 'res5', 'action5']
+        ]);
+        e = await Enforcer.newEnforcer('examples/rbac_model.conf', a);
         testGetPolicy(e, [
             ['alice', 'data1', 'read'],
             ['bob', 'data2', 'write'],