Water-saving drip irrigation device

The utility model discloses a water-saving drip irrigation device which comprises a water conveying pipe, three liquid outlet holes are formed in the inner wall of the bottom of the water conveying pipe, movable pins are arranged on the inner walls of the three liquid outlet holes, movable plates are arranged on the tops of the three movable pins, and fixing seats are installed on the outer walls of the two ends of the top of the water conveying pipe. Traction plates are arranged between the two fixed seats and the two ends of the movable plate, and limiting plates are installed on the outer walls of the two ends of the water conveying pipe. The movable pin can be separated from the liquid outlet hole by pushing the limiting plate, so that the water conveying pipe can perform drip irrigation operation through the liquid outlet hole, and the limiting plate can support and limit the movable plate, so that the movable plate can be kept stable in the working process; the liquid outlet hole can be sealed through c