Changle in Weifang, Shandong Province is located in the earthquake zone. Shandong Weifang Changle is located in the middle of Shandong Peninsula, with Taiyi Mountain in the south and Laizhou Bay in the Bohai Sea in the north. It is located in the Tancheng-Lujiang earthquake zone, the largest fault zone in eastern China. The main faults in the Tan-Lu seismic belt are Changyi Daban fault, Anqiu Juxian fault, Yishui Tangtou fault, Kanglu fault, Jingzhi fault and Shangwujing fault. These fault zones are staggered in Weifang City, forming a complex structural pattern. In addition, there are three fault zones in Weifang, namely Changle Guo Le fault, Wudi Yidu migration fault and Shangshan Li Jiazhuang fault, which are northwest-trending. These fault zones also have the geological and structural background of destructive earthquakes.