The invention discloses a power cabinet convenient for maintenance, including a power cabinet housing and a component plate for mounting power elements. The top end of the power cabinet shell is fixedly connected with a top cover, the bottom end of the power cabinet shell is fixedly connected with a base, the upper end of the front side wall of the power cabinet shell is movably connected with a cabinet door through a hinge, the bottom end of the cabinet door is fixedly connected with the bottom edge of the cabinet door, and the upper end of the bottom edge of the cabinet door is fixedly connected with a positioning pin shell. The invention is convenient for maintenance and repair of the power cabinet, In order to facilitate the maintenance of power cabinets, By lifting the top panel handle upwards, at this point that slide bar moves in the direction of the handle of the top plate, so as to drive the pusher block to compress the spring at the upper end, thereby realizing the separationof the positioning pins from the positioning holes, sequentially completing the separation of the positioning pins at both sides from the positioning holes, and realizing the opening of the cabinet door by using the cabinet door handle and cooperating with the hinge, thereby saving time and labor, facilitating operation, improving the maintenance efficiency of the power cabinet, and facilitatingwidespread popularization.