The invention discloses an agricultural sprinkler irrigation device with convenient height adjustment, comprising a support frame, a rotating seat and a sprinkler head body, the support frame is fixed on the bottom of the sprinkler head body, and the support frame comprises three support legs, two sliding support legs and a sprinkler head body. An adjusting support leg, the support legs are evenly distributed on the bottom of the rotating base, the support leg is rotatably connected with the rotating base, the spray head body includes a spray head column, a spray head pipe and a nozzle, the spray head column and the spray head pipe are fixedly connected, The bottom end of the spray head column is provided with a rotating seat, the rotating seat is rotatably connected with the spray head column, the lower end of the spray head column is provided with a water pipe interface, and the top end of the spray head column is provided with a rotating handwheel, and the rotating handwheel is connected to the spray head column through threads. The nozzle column is connected in rotation, and a push rod is arranged under the rotating handwheel. By using the spiral telescopic rod, it is convenient to freely adjust the height of the support frame, and the adjustment is more convenient.