Liquid injection equipment

The utility model provides liquid injection equipment, and relates to the technical field of desert control. The liquid injection equipment comprises a base body, and moving wheels are mounted at the bottom of the base body. The supporting plate is matched with the base body in a sliding manner; the adjusting assembly is installed on the base body, and the adjusting assembly is connected with the supporting plate and used for driving the supporting plate to ascend and descend; the drilling assembly comprises a drilling rod, the drilling rod is rotatably mounted on the supporting plate, and a liquid injection hole is formed in the drilling rod; and the liquid injection assembly is installed on the base body, and the liquid injection assembly communicates with the liquid injection hole. According to the liquid injection device, liquid can be injected into soil with different depths by controlling the drilling depth, so that liquid can smoothly reach positions such as plant roots, and the liquid injection effect