Cuiyun Gallery is made up of 12,351 ancient cypress trees. The name comes from " cuiyun gallery, the smoke protection" written by Zitong county magistrate Qiaobo in the third year of the reign of emperor kangxi of the qing dynasty (1664). It takes the historical and cultural city jianzhou ancient city as the center, the radiation distribution in the north, south, west three lines more than three hundred miles on the ancient jianmen shu road. The ancient city of zhahua in the north, langzhong in the south, zitong in the west. It originated in the qin and han dynasties, complete in the ming and qing dynasties, successive dynasties have different degrees of replanting, is a rare artificial ancient street tree group. Even in the 20th century, it was considered "Living fossil of world land transportation". No road in the world has ever been wrapped up in a dense forest. Cuiyun Gallery enjoys the reputation of "world wonder" and "national treasure", and is a national key scenic spot, national forest park and national key cultural relic protection unit.