The utility model discloses crop spray irrigation equipment, which comprises a water drum and a water pump. A plurality of spray nozzles arranged lengthwise are arranged on a spray hose. One end of a retracting rack is connected with a cart body, and the other end of the retracting rack extends out of one side of the cart body. A spray irrigation pipeline system comprises a pipeline A, a pipeline B, a pipeline C, a pipeline D, valves, and a faucet, wherein the pipeline A is used for connecting an outlet of the water drum and an inlet of the water pump, the pipeline B is used for connecting a water source and the inlet of the water pump, the pipeline C is used for connecting an outlet of the water pump and an inlet of the water drum, the pipeline D is used for connecting the outlet of the water pump and one end of the spray hose, the valves are used for controlling make and break of the pipelines A, B,C and D, and the faucet is connected with the outlet of the water pump. The other end of the spray hose is connected with one end, extending out of the cart body, of the retracting rack. The crop spray irrigation equipment can be used for spraying pesticides to crops and spraying water to the crops, stoppage of the water pump and waste of the pesticides are avoided in the spraying process when interruption of pesticide spraying is needed, multiple on and off of the water pump are avoided, and the service life of the water pump is prolonged.