Abstract: By summarizing the observational data of ground resistivity of Xingji seismic station for many years, it is found that there are five main kinds of interference: observation system interference, site environment interference, natural environment interference, human interference and geophysical event interference. In order to provide reference for data processing, interference identification and interference removal of ground resistivity observation data, this paper analyzes the causes of ground resistivity observation interference and data curve characteristics, finds out the causes of ground resistivity observation interference, and proposes a solution to eliminate interference