Lingcheng town is a typical impact plain with low terrain, 9 kilometers north of the abandoned Yellow River fault zone. The materials are all Quaternary loose deposits, the bearing capacity of foundation is generally between 8- 12 tons/m2, the thickness of overburden is about160m, the terrain is slightly inclined from north to south, and the ground elevation is between 22-23m. The terrain of Lingcheng Town is high in the middle and low around, and the ground elevation is between18.7-21.5m. Lingcheng Town belongs to a high-resolution seismic zone affected by the Tancheng-Lujiang seismic zone and the abandoned Yellow River fault zone, and the national designated intensity is 9 degrees.