The Dalongxuan Security Palace, which fell at night, shows the solemn, exquisite and elegant beauty. The Dalongxuan Security Palace, built in 1742 and rebuilt in 1805, is the main emperor Baosheng, commonly known as the "Dalang Pump Palace" or "Dadaogong Temple", is a monument in the city. Temple decoration art, such as stone lion, dragon pillar, flower and bird, shear sticky, mud-plastic, cross-toe pottery, wood carving, painted murals, etc. These famous art treasures, each of them has historical and artistic value. When the security palace was built, it hired two craftsmen, Guo Ta and Chen Yingbin, to divide the building into two halves, each creating wood carving, shearing sticky, mud-plastic or cross-toe pottery, this kind of benign competition was the popular match at that time. Therefore, when you enjoy the decorative art of the security palace, you can enjoy the works of different craftsmen on both sides at the same time. The 7 murals in the corridor of the main hall are the works of Pan Lishui, a national treasure-level painting master, attracting tourists from home and abroad to linger and admire.