Regarding gold deposit concentration area as studying object and GIS as the basic plate, abnormal information for ore-probing are conducted. Structure, strata, magmatic rock, geophysical and geochemical information which have close relation with ore-forming are picked up. By dint of GIS spacial information analysing function, Jiaodong area is divided into 6 ore-foming future areas. Through strengthening predication, 10 Ⅰdegree predication areas, 18Ⅱdegree predication areas, and 17 Ⅲdegree predication areas ...