When you walk to an old street or an ancient city that you have never heard of, the involuntary encounter makes you seem to be involved in the torrent of history. Those who seem to have nothing to do with you, at this moment, appear to you with such a natural and intimate appearance. In the comparison of the two historical sites of Longhu Guzhai and Yulin Ancient Port, the most worth mentioning is the issue of protection and development. Most of the architectural sites in Longhu Guzhai are well preserved, and many of the prominent prefectures and ancestral halls at that time have an introduction card for tourists. Some of the buildings in the Longhu ancient village have now become ordinary houses, and the layout still maintains the form of the village.