Land area management device for hydroelectric engineering land planning

The utility model discloses a land area management device for hydroelectric engineering land planning. The land area management device comprises a handheld mu measuring instrument, comprising a cart, two parallel supporting plates are connected to the bottom of the cart, and wheels are rotationally connected between the supporting plates; the upper surface of the cart is connected with an equipment box, and the handheld mu measuring instrument is placed in the equipment box; the side surface of the cart is connected with a drawer structure. The device solves the problems that when an existing handheld mu measuring instrument measures the area, errors are prone to being accumulated, a control group is lacked for error correction, and data distortion is prone to being caused when a large-area area is measured, and has the advantages of being simple in structure, convenient to use, capable of effectively avoiding shaking accumulated errors caused by handheld equipment and high in accuracy. And a plurality of dif