Full-automatic selenium-enriched food colony counter

The utility model relates to the technical field of bacterial colony counters, and provides a full-automatic selenium-enriched food bacterial colony counter. Comprising a machine box, multiple sets of supports are fixed in the machine box, culture dish boxes are all supported on the supports, a heating box and a water tank are arranged at the bottom of the machine box, a humidifier is fixed to the top of the water tank, the water tank is connected with a liquid adding box hopper, an electric telescopic rod I is fixed to the bottom of the machine box, and an electric sliding rail is fixed to the top of the electric telescopic rod I through a supporting plate; the top end of the electric sliding rail is slidably connected with an L-shaped supporting plate, an electric telescopic rod II is fixed to the top end of the L-shaped supporting plate, the electric telescopic rod II is connected with an electric telescopic rod III, the bottom of the electric telescopic rod III is connected with a lamp panel, a CCD lens i