diff --git a/adapter/provider/provider.go b/adapter/provider/provider.go
index a99c1d968..923cddbad 100644
--- a/adapter/provider/provider.go
+++ b/adapter/provider/provider.go
@@ -98,6 +98,10 @@ func (pp *proxySetProvider) Proxies() []C.Proxy {
 	return pp.proxies
 }
 
+func (pp *proxySetProvider) Count() int {
+	return len(pp.proxies)
+}
+
 func (pp *proxySetProvider) Touch() {
 	pp.healthCheck.touch()
 }
@@ -267,6 +271,10 @@ func (cp *compatibleProvider) Proxies() []C.Proxy {
 	return cp.proxies
 }
 
+func (cp *compatibleProvider) Count() int {
+	return len(cp.proxies)
+}
+
 func (cp *compatibleProvider) Touch() {
 	cp.healthCheck.touch()
 }
diff --git a/constant/provider/interface.go b/constant/provider/interface.go
index 911f774a6..880bdadff 100644
--- a/constant/provider/interface.go
+++ b/constant/provider/interface.go
@@ -71,6 +71,7 @@ type Provider interface {
 type ProxyProvider interface {
 	Provider
 	Proxies() []constant.Proxy
+	Count() int
 	// Touch is used to inform the provider that the proxy is actually being used while getting the list of proxies.
 	// Commonly used in DialContext and DialPacketConn
 	Touch()