Automatic liquid supply device for gardening cultivation

The utility model discloses an automatic liquid supply device for gardening cultivation in the technical field of liquid supply devices, which comprises a device main body, a plurality of support plates are fixedly mounted in the device main body, and cultivation fences are arranged above the support plates; a water tank is formed in the upper end face of the supporting plate, a water guide pipe is fixedly installed on the side face of the device body, a communicating pipe is fixedly connected between the other side face of the water guide pipe and the water tank, and nozzles are fixedly connected to one end of the water guide pipe and the lower end of the supporting plate through water flowing pipes; inserting plates are slidably installed in the inserting grooves, the inserting plates are fixedly installed at the positions, close to the two sides, of the lower end face of the cultivation fence, and a filter frame is fixedly installed in the middle of the lower end face of the cultivation fence and located i