Abstract: In the past 15 years, with the rapid enhancement of urban engineering construction activities and the high-intensity development of natural resources in Shenzhen city, the geological environment conditions have undergone great changes.It is urgent to adopt new methods and technologies, and in accordance with the requirements of the new standards and the informatization of disaster prevention and mitigation.For the main types of geohazards, such as collapse landslides, debris flows and karst collapses, which were investigated in 10 administrative districts.This paper introduces the investigation and studies results of geohazards in Shenzhen city, and then elaborates the overall working ideas of the detailed investigation of geohazards in this city.Finally, this paper puts forward specific suggestions on some key issues in the detailed investigation of geohazards combined with the geological environment conditions and the application requirements of the survey results.In a word, this paper aims to further reach a consensus, so as to comprehensively improve the quality of survey qualities and expand the application value of results.