Maintenance device for municipal gardens

The maintenance device for the municipal garden comprises a water tank and a water pump, a storage battery is arranged on the bottom face of the water tank, universal wheels are arranged at the corners of the bottom face of the storage battery, the water pump is arranged on the front end face of the water tank and electrically connected with the storage battery, and a bearing plate is arranged at the rear end of the top of the water tank. A plurality of dispensing tanks are arranged on the upper surface of the bearing plate, sealing covers are arranged at openings in the top ends of the dispensing tanks, ball valves are arranged at the bottoms of the dispensing tanks, inner cavities of the dispensing tanks are communicated with an inner cavity of the water tank, the drainage end of the water pump is connected with a spray gun, and the spray gun is connected with the front end of the water tank. A plurality of dispensing tanks are mounted at the top end of the water tank, and medicaments or fertilizers can be