Medicine applying device for leech culture pond

The utility model provides a leech culture pond pesticide applying device which comprises a culture pond body and a pesticide spraying pipe, a transverse rod with a left-right moving function is arranged at the top of the culture pond body, and a guide block with a front-back moving function is arranged on the transverse rod. The pesticide spraying pipe is fixedly connected to one side of the guide block and provided with a plurality of nozzles evenly distributed front and back, and a transmission combination used for controlling the transverse rod to move left and right and controlling the guide block to move front and back at the same time is arranged on the outer side of the culture pond body. The top of the culture pond body is provided with the pesticide spraying pipe with the left-right and front-back moving functions, so that the pesticide spraying pipe can spray pesticide when covering a water body in the culture pond body, the pesticide spraying uniformity is improved, in addition, the pesticide spra