Heat preservation cabinet with sterilization function

The utility model discloses a heat preservation cabinet with a sterilization function. The heat preservation cabinet comprises a heat preservation shell. Mounting shells are fixedly mounted on the reverse side of the heat preservation shell at equal intervals, a supporting plate is positioned and mounted in the heat preservation shell, and a mounting frame is slidably connected to the position, below the supporting plate, in the heat preservation shell; by adopting the mounting shell, the fixed shell and the ultraviolet germicidal lamp structure, the interior of the heat preservation cabinet is sterilized and disinfected, and after the interior of the heat preservation cabinet is cleaned, the fixed shell in the mounting shell is rotated, so that the ultraviolet germicidal lamp fixedly mounted in the fixed shell faces the interior of the heat preservation cabinet; and then the ultraviolet germicidal lamp is used for killing bacteria in the heat preservation cabinet, so that the situation that the bacteria cann