Hua chi takes precautions against drought

The utility model discloses a hua chi takes precautions against drought, including bottom of the pool, pool wall and the prevention waterlogging device of taking precautions against drought, the bottom of the pool includes lower ground basic unit, metalling, water permeable membrane layer and the matrix layer up of follow, the device of taking precautions against drought including set up the drainpipe of pool wall bottom with the water drainage pipe and set up at the inboard uprise of pool wall, water drainage pipe and drain pipe all pass pool wall and metalling intercommunication, the waterdrainage pipe is located the upper portion of drain pipe, all is equipped with the switch on water drainage pipe and the drain pipe, the socle and the metalling of uprise communicate, the nose exceedsthe matrix layer, the distribution has a plurality of apertures on the pipe shaft of uprise, the pipe shaft and the socle of uprise all wrap up with water permeable membrane. The utility model discloses a hua chi takes precaut