At present problems for ore-searching in surroundings of the known mines are that the exploration area is small in plan, new methods not widely applied, new ideas not in place, philosophy for ore exploration to depth simpler. The authors put forward the systematic methods for such ore exploration to extend the ore-searching space both horizontally and vertically that is led by comprehensive information ore prediction theory, based on physical property and composition differences of rock and ore and combined with the old and new ore exploration methods.