Dai yin. According to Guiguzi. Com, silver has stable chemical properties and strong corrosion resistance, and silver ions have been proved to have certain bactericidal effect. Wearing gold and silver has no obvious benefits to the body. Gold and silver jewelry is only worn for beauty and has no special benefits to the body. As long as every liter of water contains one milligram of 50 million silver ions, most bacteria in the water can be killed.