The swimming pool liner and its supporting materials are stored separately to facilitate management and improve efficiency. Wet or heated swimming pool liner and its supporting materials will affect the quality of the materials themselves and the engineering quality. The waterproof decorative film of swimming pool is made of PVC environment-friendly material, which can be recycled and conforms to the strategy of national environmental protection development. The waterproof decorative liner of swimming pool has no pollution and formaldehyde, and is the first choice for infant swimming pool waterproof decoration.