Abundant of high quality groundwater is stored in karstic groundwater system, and precipitation is a major recharge source of shallow karstic groundwater system that has an important?significance?of water supply. Calculation of precipitation recharge is quite a complex process due to its anisotropy, heterogeneity and difficulty in monitoring directly. Identifying water catchment area of a karstic groundwater system is the primary work before calculation of precipitation recharge, which could be effectively calculated by tracer method and empirical formula method. The major methods for precipitation recharge calculating are hydrograph analysis method, oxygen isotope method, chloride mass balance method, multi-variables comprehensive analysis method based on geographic information system (GIS) and modeling method. Critical points and applicable conditions on different methods were compared. In order to calculated recharge of Karstic groundwater system accurately, spatial-temporal features of physical and chemical properties of precipitation and water-rock interaction could be determined as one of future research directions.