Many water purification equipment is prone to secondary pollution and water quality deterioration. This water purifier adopts a closed sterile purification structure to fundamentally eliminate the hidden danger of secondary pollution. The equipment strictly follows the process of "purification before mineralization", with a closed deep filtration system that comprehensively removes harmful substances such as residual chlorine, heavy metals, bacteria, and impurities from the water. The purification process is contactless and pollution-free, firmly locking in the purity of the water quality. Subsequently, through natural mineral composite slow-release technology, stable release of trace elements such as strontium, zinc, selenium, calcium, and magnesium will be achieved. While ensuring sterility and safety, the water quality will be rich in natural nutrients, resulting in long-lasting fresh and sweet water that can be safely consumed directly, safeguarding the health of drinking water for the whole family