diff --git a/src/depends/dogtail/config.py b/src/depends/dogtail/config.py
index 37d11c7..df2771b 100644
--- a/src/depends/dogtail/config.py
+++ b/src/depends/dogtail/config.py
@@ -114,6 +114,10 @@ class _Config(object):
 
     logDebugToStdOut (boolean):
     Whether to print log output to console or not (default True).
+
+    reversed (boolean):
+    When traversing nodes, is reverse iteration adopted?(default False).
+
     """
     @property
     def scriptName(self):
@@ -158,7 +162,10 @@ class _Config(object):
         'checkForA11y': True,
 
         # Logging
-        'logDebugToFile': True
+        'logDebugToFile': True,
+
+        # reversed
+        'reversed': True
     }
 
     options = {}
diff --git a/src/depends/dogtail/tree.py b/src/depends/dogtail/tree.py
index d634adc..337409a 100644
--- a/src/depends/dogtail/tree.py
+++ b/src/depends/dogtail/tree.py
@@ -888,7 +888,10 @@ class Node(object):
             pred = lambda n: orig_pred(n) and \
                              n.getState().contains(pyatspi.STATE_SHOWING)
         if not recursive:
-            cIter = iter(self)
+            if config.reversed is False:
+                cIter = iter(self)
+            else:
+                cIter = reversed(self)
             while True:
                 try:
                     child = next(cIter)