Automatic coating machine is usually used for coating tablets in drug production. It has the characteristics of high sealing and fully automatic operation. It can automatically adjust the spray gun and the film bed in a vertical state, and adjust the height of the film bed. Innovative design is adopted to effectively minimize the internal dead leg. All gas pipes and wires inside the equipment are hidden in the equipment. This equipment can be configured to meet the requirements of explosion-proof. It fully meets cGMP requirements in drug production.