The utility model discloses an anti-shaking water conservancy pipeline hanging bracket which comprises a hanging bracket frame, and a transverse fixing mechanism, a longitudinal fixing mechanism and a bottom adsorption mechanism are arranged in the hanging bracket frame. The transverse fixing mechanism comprises lead screws rotationally connected to the inner walls of the two sides of the hanging bracket frame, each lead screw is in threaded connection with a threaded sleeve, and the end, close to the center position of the hanging bracket frame, of each threaded sleeve is fixedly connected with a transverse clamping plate. The transverse fixing mechanism and the longitudinal fixing mechanism are arranged, the PLC synchronously drives the lead screws on the two sides to rotate, the transverse clamping plate is driven to clamp the two sides of the pipeline, stability in the horizontal direction is ensured, meanwhile, gear and rack transmission is utilized, transverse clamping action and longitudinal lifting are linked, the longitudinal clamping plate automatically presses the upper surface of the pipeline downwards, and the pipeline clamping effect is improved. Fixing in the vertical direction is achieved, a three-dimensional clamping structure with the two sides and the top is formed, and the anti-shaking capacity is remarkably improved.