Closed incubator

The application discloses a closed incubator, which is used for temperature experiment of products, the closed incubator comprises a box body, the box body is internally provided with a material cabinet, the material cabinet is provided with a plurality of layers of placing areas from top to bottom, and the placing areas are used for placing the products; the rotary lifting mechanism is used for driving the products to ascend and descend and putting the products into the containing area and taking the products away from the containing area. A feeding and discharging port and a ferry mechanism are arranged on the outer side face of the box body, and the ferry mechanism can feed products into the box body through the feeding and discharging port and take the products away by the rotary lifting mechanism. According to the closed incubator, the feeding and discharging opening is formed in the outer side face of the incubator body, products are automatically fed into the closed incubator and stored on the material