Water sprinkler capable of automatically adjusting pressure

The utility model relates to the technical field of watering carts, in particular to a watering cart capable of automatically adjusting pressure, which comprises a hedging nozzle, the inlet end of the hedging nozzle is connected with a hedging pipeline, the inlet end of the hedging pipeline is connected with a pressure relief pipeline, a pressure sensor is arranged inside the hedging pipeline, and the pressure relief pipeline is connected with the hedging nozzle. An electric pressure regulating valve is arranged in the pressure relief pipeline, a water pump is arranged in the pressure relief pipeline, an ECU is arranged in the pressure relief pipeline, the output end of the ECU is in signal connection with a display panel, and the output end of the display panel is in signal connection with an operation button. Pressure data detected by the pressure sensor is transmitted to the display panel through the ECU, an operator can adjust the spraying distance transmitted by the display panel according to the working