Abstract: Systematically researched on 24 elements for Yushigou ultrabasic belt in Qilian Mountains by using regional geochemical investigation information(1:200 000),and then summarize related information by predecessors.Using regional geochemical anomalies,combined with regional geological background and the metallogenetic rule,the regional geochemical mode was established,which is good for screening the regional geochemical anomalies on Yushigou and other areas in Qilian Mountains and geological prospecting.