diff --git a/README.md b/README.md
index ebda11c..a110ce1 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,15 @@ check_http_expect_alive
 These status codes indicate the upstream server's http
 response is ok, the backend is alive.
 
+check_http_expect_body
+------------------------
+* **syntax**: `check_http_body "text match"`
+* **default**: `none`
+* **context**: `upstream`
+
+If you set the check type is http, then check the body of
+the returned page and search for this string.
+
 check_keepalive_requests
 ------------------------
 * **syntax**: `check_keepalive_requests num`
diff --git a/ngx_http_upstream_check_module.c b/ngx_http_upstream_check_module.c
index e83b327..be94bc5 100644
--- a/ngx_http_upstream_check_module.c
+++ b/ngx_http_upstream_check_module.c
@@ -237,6 +237,8 @@ struct ngx_http_upstream_check_srv_conf_s {
         ngx_uint_t                           status_alive;
     } code;
 
+    ngx_str_t                                expect_body;
+
     ngx_array_t                             *fastcgi_params;
 
     ngx_uint_t                               default_down;
@@ -458,6 +460,8 @@ static char *ngx_http_upstream_check_http_send(ngx_conf_t *cf,
         ngx_command_t *cmd, void *conf);
 static char *ngx_http_upstream_check_http_expect_alive(ngx_conf_t *cf,
         ngx_command_t *cmd, void *conf);
+static char *ngx_http_upstream_check_http_expect_body(ngx_conf_t *cf,
+        ngx_command_t *cmd, void *conf);
 
 static char *ngx_http_upstream_check_fastcgi_params(ngx_conf_t *cf,
         ngx_command_t *cmd, void *conf);
@@ -552,6 +556,15 @@ static ngx_command_t  ngx_http_upstream_check_commands[] = {
         NULL
     },
 
+    {
+        ngx_string("check_http_expect_body"),
+        NGX_HTTP_UPS_CONF|NGX_CONF_TAKE1,
+        ngx_http_upstream_check_http_expect_body,
+        0,
+        0,
+        NULL
+    },
+
     {
         ngx_string("check_fastcgi_param"),
         NGX_HTTP_UPS_CONF|NGX_CONF_TAKE2,
@@ -1746,11 +1759,13 @@ static ngx_int_t
 ngx_http_upstream_check_http_parse(ngx_http_upstream_check_peer_t *peer) {
     ngx_int_t                            rc;
     ngx_uint_t                           code, code_n;
+    ngx_str_t                            expect_body;
     ngx_http_upstream_check_ctx_t       *ctx;
     ngx_http_upstream_check_srv_conf_t  *ucscf;
 
     ucscf = peer->conf;
     ctx = peer->check_data;
+    expect_body = ucscf->expect_body;
 
     if ((ctx->recv.last - ctx->recv.pos) > 0) {
 
@@ -1789,7 +1804,11 @@ ngx_http_upstream_check_http_parse(ngx_http_upstream_check_peer_t *peer) {
                        "http_parse: code_n: %ui, conf: %ui",
                        code_n, ucscf->code.status_alive);
 
-        if (code_n & ucscf->code.status_alive) {
+        if (!(code_n & ucscf->code.status_alive)) {
+            return NGX_ERROR;
+        }
+
+        if ((expect_body.len == 0) || (ngx_strstrn(ctx->recv.pos, expect_body.data, expect_body.len) != NULL)) {
             return NGX_OK;
         } else {
             return NGX_ERROR;
@@ -3686,6 +3705,21 @@ ngx_http_upstream_check_http_send(ngx_conf_t *cf, ngx_command_t *cmd,
     return NGX_CONF_OK;
 }
 
+static char *
+ngx_http_upstream_check_http_expect_body(ngx_conf_t *cf, ngx_command_t *cmd,
+        void *conf) {
+    ngx_str_t                           *value;
+    ngx_http_upstream_check_srv_conf_t  *ucscf;
+
+    value = cf->args->elts;
+
+    ucscf = ngx_http_conf_get_module_srv_conf(cf,
+            ngx_http_upstream_check_module);
+
+    ucscf->expect_body = value[1];
+
+    return NGX_CONF_OK;
+}
 
 static char *
 ngx_http_upstream_check_fastcgi_params(ngx_conf_t *cf, ngx_command_t *cmd,