Portable garden saw for garden pruning

The portable garden saw for garden pruning comprises a device body and a limiting groove, a clamping groove is formed in the bottom of the device body, a protection box is connected to the outer side of the bottom of the clamping groove in a clamped mode, and a sawtooth blade is fixedly connected to the bottom of a second sliding block through a screw. A fixing groove is welded to the end, away from the first sliding block, of the top of the inner cavity of the device body, a fixed pulley is rotationally connected to one side of the inner wall of the fixing groove through a rotating shaft, a winding groove is formed in the outer side wall of the fixed pulley, a wire ring penetrates through the center of the front face of the fixed pulley, and a wire set sleeves the outer side wall of the wire ring. The sawtooth blade is hidden in the protection box through the clamping groove and the protection box, the phenomenon that the sawtooth blade accidentally scratches the arm of a worker is avoided, the worker can ho