Disclosed is a foldable dip net provided with a handle and a method for using the same. The foldable dip net comprises a handle, a connector and a net rack, wherein the handle comprises a U-shaped support, a handle lever is arranged at the front end of the U-shaped support, and an arm rest plate is arranged on the tail end of the U-shaped support; the connector comprises a mounting base body fixed to the forefront of the U-shaped support and provided with a lock structure, and a light-emitting unit is arranged in the mounting base body; the tail end of the net rack is hinged to the mounting base body through a rotary pin, and a clamping groove is formed in the side wall of the rotary pin and is matched with the lock structure. When the dip net is used, a user holds the handle lever from below with the palm facing upwards and the back of the arm leaning against the upper surface of the arm rest plate and then applies an acting force to the net rack under the combined effect of the wrist and the arm, and accordingly to the lever principle, fish can be scooped more effortlessly, the fish scooping angle can be controlled more easily, and fish can be scooped more accurately; and the light-emitting unit is used to attract fish.