LED disinfection and sterilization lamp with efficient heat dissipation function

The efficient heat dissipation LED disinfection and sterilization lamp comprises a bottom cover, a surface cover, a lamp tube, a lamp panel and a fan, the bottom cover is connected with the surface cover, the bottom cover and the surface cover are each provided with two semicircular grooves for containing the lamp tube, and the lamp tube is placed between the two semicircular grooves of the bottom cover and the surface cover; the bottom cover is provided with an air inlet and an air outlet, a first partition wall is arranged between the air inlet and the air outlet to separate the air inlet from the air outlet, the fan is placed on the air inlet, the lamp panel is placed in the lamp tube, and the two ends of the lamp panel are fixedly connected with the bottom cover. And the surface cover is provided with a second partition wall, so that the fan sucks air from the air inlet and then flows the air from the lamp tube to cool the lamp beads on the lamp panel. The sealed space is arranged on one side between the