Distributions of large rain regions and precipitation tendency of the whole country in June can be divided into three types: North China type,Changjiang type and South China type. Such distributions of precipitation types associate with Westly circulation change and position in Asia and West Pacific Subtropical high and Indian-Burma low trough. The analysis suggests that the precipitation types in June is related to climatic oscillation of a adecade in recent forty years. It may be associated with influences of atmospheric circulation as well as short-term climatic change of SST.