diff --git a/.gitignore b/.gitignore
index f94fb5d..ebb1638 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /volumes
 
 .env
+.idea
\ No newline at end of file
diff --git a/lib/milvus.rb b/lib/milvus.rb
index fd8d551..34d4c4c 100644
--- a/lib/milvus.rb
+++ b/lib/milvus.rb
@@ -11,4 +11,5 @@ module Milvus
   autoload :Entities, "milvus/entities"
   autoload :Indexes, "milvus/indexes"
   autoload :Partitions, "milvus/partitions"
-end
+  autoload :Roles, "milvus/roles"
+end
\ No newline at end of file
diff --git a/lib/milvus/client.rb b/lib/milvus/client.rb
index 57ecf1a..8a677b0 100644
--- a/lib/milvus/client.rb
+++ b/lib/milvus/client.rb
@@ -29,6 +29,10 @@ def indexes
       @indexes ||= Milvus::Indexes.new(client: self)
     end
 
+    def roles
+      @roles ||= Milvus::Roles.new(client: self)
+    end
+
     def connection
       @connection ||= Faraday.new(url: "#{url}/#{API_VERSION}/") do |faraday|
         if api_key
diff --git a/lib/milvus/roles.rb b/lib/milvus/roles.rb
new file mode 100644
index 0000000..86e7f78
--- /dev/null
+++ b/lib/milvus/roles.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Milvus
+  class Roles < Base
+    PATH = "roles"
+
+    def list
+      response = client.connection.post("#{PATH}/list") do |req|
+        req.body = {}
+      end
+
+      response.body
+    end
+
+    def describe(role_name:)
+      response = client.connection.post("#{PATH}/describe") do |req|
+        req.body = {
+          roleName: role_name
+        }
+      end
+
+      response.body
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/fixtures/roles/list.json b/spec/fixtures/roles/list.json
new file mode 100644
index 0000000..c088b45
--- /dev/null
+++ b/spec/fixtures/roles/list.json
@@ -0,0 +1 @@
+{"code": 0, "data": ["admin", "public"]}
\ No newline at end of file
diff --git a/spec/fixtures/users/list.json b/spec/fixtures/users/list.json
new file mode 100644
index 0000000..f6b6669
--- /dev/null
+++ b/spec/fixtures/users/list.json
@@ -0,0 +1 @@
+{ "code": 0, "data": ["root"] }
\ No newline at end of file
diff --git a/spec/milvus/roles_spec.rb b/spec/milvus/roles_spec.rb
new file mode 100644
index 0000000..5d34663
--- /dev/null
+++ b/spec/milvus/roles_spec.rb
@@ -0,0 +1,40 @@
+# spec/milvus/users_spec.rb
+
+require "spec_helper"
+require "faraday"
+
+RSpec.describe Milvus::Roles do
+  let(:connection) { instance_double("Faraday::Connection") }
+  let(:client) { instance_double("Client", connection: connection) }
+  let(:roles) { described_class.new(client: client) }
+
+  describe "#list" do
+    let(:response_body) { File.read("spec/fixtures/roles/list.json") }
+    let(:response) { instance_double("Faraday::Response", body: response_body) }
+
+    it 'lists users' do
+      expect(connection).to receive(:post)
+             .with("roles/list")
+             .and_yield(Faraday::Request.new)
+             .and_return(response)
+      result = roles.list
+
+      expect(result).to eq(response_body)
+    end
+  end
+
+  describe "#describe" do
+    let(:response_body) { File.read("spec/fixtures/roles/describe.json") }
+    let(:response) { instance_double("Faraday::Response", body: response_body) }
+
+    it 'describes the role' do
+      expect(connection).to receive(:post)
+                              .with("roles/describe")
+                              .and_yield(Faraday::Request.new)
+                              .and_return(response)
+      result = roles.describe(role_name: 'public')
+
+      expect(result).to eq(response_body)
+    end
+  end
+end
\ No newline at end of file