The invention discloses a novel high-sensitivity controllable sprinkler irrigation system, which includes a water tower and a plurality of vertically arranged sprinkler irrigation pipes. The plurality of sprinkler irrigation pipes are connected and arranged through horizontally arranged connecting pipes, and the water tower is a hollow structure. , and the lower side wall of the water tower is provided with a water pump, the inlet pipe of the water pump is located at the bottom of the water tower, and the outlet pipe of the water pump runs through the side wall of the water tower and communicates with the side wall of one of the sprinkler pipes, the The upper side wall of the sprinkler pipe is provided with a sprinkler nozzle, and the inner wall of the sprinkler nozzle is provided with a horizontal partition, and the central side wall of the partition is provided with a horizontal strip water outlet. An arc-shaped chute is arranged on the lower side wall of the dividing plate, and the arc-shaped chute communicates with the bar-shaped water outlet. In the present invention, the novel high-sensitivity controllable sprinkler irrigation system can strictly control the flow rate of sprinkler irrigation, has high flow rate adjustment accuracy, and saves time and labor in the adjustment operation.