Environment-friendly forestry insect prevention device

The utility model belongs to the technical field of insect prevention devices, and discloses an environment-friendly forestry insect prevention device which comprises a bearing plate and a sealing cylinder movably arranged at the top of the bearing plate, a sealing body and a supporting rod are fixedly installed at the top end of the bearing plate, and a solar panel is fixedly installed at the top end of the supporting rod. A first sealing box is fixedly installed at the bottom end of the solar panel, an electric cylinder is fixedly installed on the inner wall of the bottom end of the sealing body, a second sealing box is fixedly installed at the top end, penetrating through the sealing body, of a telescopic rod of the electric cylinder, and a motor is fixedly installed on the inner wall of the bottom end of the second sealing box. The device is provided with a cleaning structure for a high-voltage power grid on the insecticidal lamp, insect bodies attached to the power grid can be brushed off, a sealing stru