Doksonggwan and ancient post road is located in Huzhou City Anji County Dusong Township Shuangxikouan Village to Yuhang District Baizhang Township Dusong Village.Dusongguan was built in Song Jianyan period, is the capital of the Southern Song Dynasty Lin'an (now Hangzhou) resistance to the northern enemy of the important pass.

Yuhang section of the ancient road is only about 1500 meters wide, about 2 meters wide, only 0.5 meters narrow, paving made by stone or pebble, the middle part of the road is relatively large, on both sides of small stone paving, is still Anji to Yuhang walking.The ancient post road along the mountain stream, the ancient road also has several different shapes of stone bridges such as Baochang Bridge.

Doksonggwan, as the last military barrier in Lin'an of Southern Song Dynasty, is the earliest existing one in Zhejiang Province, rare in China and of great historical value. Ancient post road is ancient Lin'an (now Hangzhou) to Jiankang (now Nanjing) land shortcut, the terrain is dangerous. In 2006, it was included in the sixth batch of key national cultural relics protection units.