Abstract: According to the geological formation, mineralization characteristics, and metallogenic theories established by geologists in China, the authors deeply studied the metallogenic series in Dunhuang metallogenetic belt. According to the time-space relationship of the mineralization and the geological formation, the metallogenic series are refined as syngenetic metallogenic, penecontemporaneous metallogenic, epigenetic metallogenic and superficial weathering metallogenic series. Several metallogenic series of the same geological formation naturally constitute a metallogenic series family. This article preliminarily summarized 7 metallogenic series family in Dunhuang metallogenetic belt and laid foundation for the regional metallogenic regularity.