The invention relates to a deinsectization lamp, in particular to an efficient power grid deinsectization lamp. The technical problem to be solved by the invention is to provide the efficient power grid deinsectization lamp. In order to solve the technical problem, the invention provides the efficient power grid deinsectization lamp which comprises a first box body, a shell, an accumulator, an installation seat and the like; the bottom in the first box body is symmetrically provided with the installation seat, the top of the installation seat is provided with the shell, the accumulator is mounted on installation seat and positioned in the shell, the bottom of the first box body is provided with a support plate, the bottom of the support plate is provided with a railing, a deinsectization mechanism is arranged in the middle of the bottom of the support, the deinsectization mechanism is positioned on an inner side of the railing, the bottom of the railing is provided with a second box body, the second box body is provided with a first opening, and the bottom of the second box body is symmetrically provided with a fixing mechanism. The efficient power grid deinsectization lamp achieves an efficient deinsectization effect, by arranging the deinsectization mechanism, all the surrounding mosquitoes are attracted to suffer from electric shock so as to achieve the deinsectization effect, and the device is simple in operation, convenient to use and strong in generalizability.