Haicang Xiayang primary school is located in the pilot area of Xiamen sponge City, covering an area of about 27000 ㎡, with a greening area of about 8363.52 square meters and a greening rate of about 32%. Some of the existing impervious squares, green spaces, rainwater inlets, rainwater risers and curbs shall be reconstructed; new pervious pavement, pervious concrete, rainwater garden, rainwater bottle, ecological drainage ditch, pervious channel, PP module combination pool, etc. shall be built.