The invention discloses a drop spraying device for seedling growing sugarcane fruit trees. A rolling column is installed at the middle of a spray plate; four swinging rods are installed at one side ofthe rolling column; multiple turning shafts are installed on the spray plate; fixing rings are welded on the turning shafts. Water is sprayed through several droplets on the spray plate to increase the efficiency of water spray, and the sprayed water is more uniform and comprehensive.