Abstract:In order to promote economic development in nor thwest of Shandong province, ecological and geochemical survey should be carried out in stantly, so as to check out ecological and chemical environment in this area. Us ing regional geochemical method, combining some other scientific methods as soil geology, Quaternary geology, hudro-geology, hazard geology, geophysics, remote geology, computer technology, ecological and geochemical environment of regional agriculture, city, major typical products areas, major local disease prevalence areas are evlauated; and multi-layered ecological and geochemical information s ystem in northwest covering areas are established, which can provide regional ec ological and geochemical base for continuous development in Shandong province.