Silver ion can promote human body detoxification and health preservation, activate cells, accelerate metabolism, and enhance the ability to resist diseases. Therefore, the long-term use of silver utensils and tableware can promote health and prolong life, and the silver water cup also has a certain appreciation space for collection value. Silver ions and silver containing compounds can kill or inhibit bacteria, viruses, algae and fungi. Silver water cup has a wonderful effect on disease. Silver is known as biological metal and antibacterial material, and is known as "permanent fungicide".