The gaps and springs inside the spring mattress bed will absorb moisture and rust, thus accumulating a lot of harmful substances such as carbon dioxide. Sleeping will affect the health of the body: the water in the water bed is isolated from the outside and does not adsorb wet.Gas, human excrement, etc., can ensure an excellent sleep clean environment; in addition, the traditional bed under the dynamic sleep of the water bed can not be compared with the static sleep, the water bed in developed countries in Europe and America, the popularity has exceeded 30%. Therefore, the water bed is the best alternative to traditional spring mattresses.