The international standards for the execution of the swimming circle and the lifebing circle are different. The lifebuilding circle is a life -saving role. It has many accessories; while the swimming ring is defined as a water toy, it can only play auxiliary or protective role in water leisure movement and bring to it to bring to it to bring to the water leisure movement and bring them to the water leisure. When playing in deep water or natural rivers and sea areas, it is dangerous.