Near-electricity safety protection warning device

The utility model discloses a near-electricity safety protection warning device which comprises a box body and a support used for fixing the box body, the box body is of a triangular prism structure and comprises a base, a cover plate and three light-transmitting plates connected between the base and the cover plate; a warning mark is arranged on the light-transmitting plate; a lamp post, a storage battery and a control unit are arranged on the base; a solar panel is arranged on the top cover; the support comprises a vertical rod which is vertically arranged and a telescopic rod which is movably inserted into the upper end of the vertical rod, and a first locking piece is arranged on the vertical rod and used for limiting the relative position between the vertical rod and the telescopic rod; the lower end of the vertical rod is movably sleeved with a sliding sleeve, and at least three supporting rods are evenly hinged to the sliding sleeve in the circumferential direction. A connecting rod is hinged between t