Insecticidal lamp capable of easily cleaning diseases and pests and used for disease and pest control

The utility model discloses an insect-killing lamp for preventing and controlling diseases and pests. The insect-killing lamp comprises a lampshade, a lamp holder, a luminous body, a metal net cover, an insect body box and a cleaning device. A base is arranged below the luminous body, a first protrusion is arranged on the base, a sliding groove is formed in the lamp holder, and the first protrusion is in sliding fit with the sliding groove. The insect body box is provided with a second protrusion, the second protrusion is in sliding fit with the sliding groove, the insect body box is provided with a clamping ring, the lamp holder is provided with a clamping ball protrusion, and the insect body box and the lamp holder are connected in a clamped mode through matching of the clamping ring and the clamping ball protrusion. The cleaning device comprises a driving motor and a cleaning rod, the driving motor is arranged on the lampshade, bristles are arranged on the cleaning rod, and the ends of the bristles make co