Silver ions can promote detoxification, activate cells, accelerate metabolism and enhance disease resistance. Therefore, long-term use of silverware and tableware can promote health and prolong life, and silver cups also have some room for appreciation. Silver ions and silver compounds can kill or inhibit bacteria, viruses, algae and fungi. Silver cups have wonderful effects against diseases. Silver is known as biomimetic metal and antibacterial material, and is known as "permanent bactericide".