Abstract: Loujiadian Gold Deposit is located in the northeastern part of Lingyuan-Beipiao gold belt sitting in West Liaoning.There are 5 gold ore veins in the mining area,all strictly controlled by fracture structures.The ore types are mainly gold-bearing quartz vein type and alteration type.Wall rock alteration like silicification and pyritization is closely related to mineralization.The metallogenic stages can be divided into 3 stages.Among them the quartz-polymetallic sulphide stage is the main metallogenic stage.Comprehensive analysis shows that Loujiadian Gold Deposit is a multi-genesis hydrothermal gold deposit controlled by the strata of Archean Eonothem Jianping Group Xiaotazigou Formation,Yanshanian monzonitic granite and secondary fault of Jiguanshan fault.