The double-island cabinet has a large capacity design, beautiful and generous, and plays a certain decorative role on the occasion of use. The design of the evaporator is enlarged, and the heat exchange efficiency is improved. Make the double-island cabinet cooler faster, lower the temperature, and more energy-saving at the same time. The advanced air duct structure makes the air curtain good in heat preservation effect and fast cooling, so that the temperature in the double island cabinet is even, and it is equipped with a night energy-saving cover , It is exclusively used at night and other non-business hours to further save power and reduce usage costs.