Basket loading and unloading systems is the guarantee to realize the continuous and efficient work of the whole post sterilization system, which is mainly composed of automatic cage loading system, trolley system and automatic cage unloading system. This system is mainly used for automatic loading and unloading cage operation of pop can, PE bottle and glass bottled beverage before and after sterilization. The simple steps can be divided into loading cage action, trolley movement and in and out of kettle action, unloading cage action. The whole process of action are realized by automation, such as: automatic push can into the basket, automatic lifting, automatic take-off and put clapboard, automatic cage basket turnover, automatic in and out of the kettle, etc. The whole set of actions can realize automatic assembly line operation, save manpower and greatly improve production efficiency.