The utility model discloses a small silkworm egg automatic incubation device. Including an equipment chassis, a heat preservation shell is fixedly installed on the outer wall of the top of the equipment case. The outer wall of the top of the heat preservation shell is rotationally connected with a top cover through a hinge. A handle is fixedly mounted on the outer wall of the top of the top cover;a ventilation net is arranged on the outer wall of one side of the heat preservation shell, ventilation holes of the ventilation net are in a regular hexagon shape, a fixing frame is arranged on theside, opposite to the ventilation net, of the heat preservation shell, a ventilator is arranged in the fixing frame, and a temperature adjusting switch and a humidity adjusting switch are arranged onthe outer wall of one side of the equipment case. According to the utility model, the silkworm egg environment can be heated and humidified; certain temperature and humidity can be set, the silkworm egg environment can be kept at a constant temperature and a certain humidity all the time, air in the silkworm egg incubation device can circulate, the silkworm egg growth environment is improved, thequality of silkworm eggs after incubation is improved, and workers can manage the silkworm eggs conveniently.