On the basis of geological setting,burial characteristics and circumjacent environment of the graveyards of the Spring and Autumn Period,the Period of Warring States,Qin Dynasty and Han Dynasty in Hunan Province,the authors used such geophysical and geochemical integrated methods as radiometric radon survey,mercurometric survey and ground penetrating radar to explore four large medium sized AB Chu tombs in a certain county in northwestern Hunan and Yangjianshan ancient tombs in Changsha City.The results indicate the successfulness in prospecting for the integrity of the anciernt tombs.