diff --git a/.gitignore b/.gitignore
index c978acac..e63fc69f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,5 +44,6 @@ static/logo/
 
 # re2o specific
 settings_local.py
+local_routers.py
 re2o.png
 media/
diff --git a/re2o/settings.py b/re2o/settings.py
index 3d883615..d119f339 100644
--- a/re2o/settings.py
+++ b/re2o/settings.py
@@ -154,6 +154,8 @@ USE_TZ = True
 
 # Router config for database
 DATABASE_ROUTERS = ["ldapdb.router.Router"]
+if "LOCAL_ROUTERS" in globals():
+    DATABASE_ROUTERS += LOCAL_ROUTERS
 
 # django-bootstrap3 config
 BOOTSTRAP3 = {
diff --git a/re2o/settings_local.example.py b/re2o/settings_local.example.py
index c4ec9ff2..9caea084 100644
--- a/re2o/settings_local.example.py
+++ b/re2o/settings_local.example.py
@@ -101,6 +101,11 @@ UID_RANGES = {"users": [21001, 30000], "service-users": [20000, 21000]}
 # A range of GID to use. Used in linux environement
 GID_RANGES = {"posix": [501, 600]}
 
+# If you want to add a database routers, please fill in above and add your databse.
+# Then, add a file "local_routers.py" in folder app re2o, and add your router path in
+# the LOCAL_ROUTERS var as "re2o.local_routers.DbRouter". You can also add extra routers. 
+LOCAL_ROUTERS = []
+
 # Some optionnal Re2o Apps
 OPTIONNAL_APPS_RE2O = ()