The Yangjiaojian zinc polymetallic deposit exists in the contact zone of the Caledonian gneissoid granodiorite and Late Proterozoic Xiafeng group, and biotite anorthosite granulite of Xiafeng group. Two orebodies have been discovered at present that they exist as a quasi- layer and veins. Ore mainly is sphalerite, galena and chalcopyrite, pyrrhotite and has a close relation with Silicification, pyritization, epidotization. The deposit belongs to the diagenetic metamorphism-hydrothermal reconstruction vein type.