Greenhouse irrigation system

The utility model discloses a greenhouse irrigation system, including storage water tank and suction pump, include still that a water catch bowl installs the edge that pushes up in the greenhouse outside, the water catch bowl on be equipped with the hole, the hole passes through pipeline and tank connection, the storage water tank other end be connected with the water inlet of suction pump, the delivery port of suction pump pass through the pipeline with can tortuous pipeline connection, can tortuous pipeline the other end be connected with main spray tube, both ends respectively are equipped with and are used for supporting in the greenhouse the support frame of main spray tube, the driving motor that can make main spray tube move is installed to the one end of main spray tube on the support frame, and the rotation wheel that can move is installed to the other end on the support frame, be equipped with a plurality of shower heads on the main spray tube. The utility model discloses can satisfy the irrigation