Going up opposite the Heilong Bridge on the banks of the Xiaguan Xia River is Longwei Street. Both sides of Longwei Street are old houses, and many courtyards maintain the style of ancient buildings. Today, there are still many residents in this area, most of them have lived here for generations. Historically, this is the Nanxun State Pavilion Luo Feng built to resist aggression, Nanxun and Tang Dynasty "Tianbao War" is in Longweiguan to defeat General Li Yan's army, and then buried General Li Yan at the foot of Cangshan Mountain, which is now the general cave where locals worship and pray. Longweiguan is still a traffic road, not only the ancient tea-horse road into Tibet, but also the important city gate where merchants gather scattered materials. It is rumored that Longweiguan City Tower is more majestic than the existing "Shoukang Building" (North Chengmen Building). Longweiguan has rich historical and cultural relics, and there are a number of historical and cultural courtyards, and countless ancient wells and ancient trees.