Folding bed plays an important role in modern life because of its unique portability and versatility. It not only can save space, suitable for small or temporary accommodation use, such as rooms, office siesta and other scenes, easy folding storage does not take up space. In outdoor travel, camping, folding bed is an indispensable equipment for travelers to provide a comfortable, clean rest environment, away from the ground moisture and uneven. In addition, the folding bed is also suitable for hospitals, schools and other places that need flexible layout space to meet the needs of temporary increase in bed. In short, folding bed with its flexible characteristics, to meet the convenience of people's pursuit of comfortable life.