The invention provides an upward overturning type gate structure used for the water conservancy project. The upward overturning type gate structure comprises an overflow groove, sliding grooves, a filtering net, a blocking plate and a spring buffering wheel. Back side plates are welded to the two ends of the back face of the gate plate. A T-shaped rib plate in a longitude and latitude staggered manner is welded to the gate plate between the two sets of back side plates. The filtering net is welded to the outer side of the top of the T-shaped rib plate. The blocking plate is installed on the inner sides of the lower ends of the back side plates in a sliding manner, and a transverse rod on the top of the blocking plate penetrates the sliding grooves in the outer sides of the lower ends of the back side plates and is in screw joint with limiting nuts. The spring buffering wheel is further connected to the bottom of the blocking plate. A shaft seat is rotationally connected with a rotatingconnecting rod, and the rotating connecting rod is welded to the back side plates. The front end of a hydraulic cylinder is rotationally connected into connecting plates at the upper portions of theback side plates, and the overflow groove is formed in the upper portion end of the gate plate. Due to the arrangement of the blocking plate, fry or other water products are prevented from sliding away; and due to the arrangement of the filtering net, when water flows outwards through the overflow groove, garbage in water or sea products can be prevented from flowing to the downward part.