Multifunctional injurious insect killer

The utility model relates to a multifunctional injurious insect killer, which mainly consists of a protective cover, a colorful electric shock killing plate, a trap core clamp, a lamp tube support, a collecting tray, an electronic regulation and control device and the like. Objective injurious insects are attracted by smell, color and lamplight and drop on the colorful electric shock killing plate, an anode and a cathode of the colorful electric shock killing plate generate instant high voltage to kill the objective injurious insects, an inner inclination angle of the colorful electric shock killing plate is 15 degrees so that killed injurious insects cannot be absorbed on the colorful electric shock killing plate, and shocked injurious insects dropping into the collecting tray can also be caught. The killer adopts high-voltage micro-current, is safe and reliable, has high killing efficiency, prevents the injurious insects from escaping, and is applicable to killing various injurious insects.