If the nail is broken and discolored, it is necessary to consider whether it is onychomycosis. Onychomycosis is contagious and may be caused by tinea manus or tinea pedis. You can check whether there is any fungal infection in the hospital and what kind of fungal infection it is. If there is infection, the situation is relatively mild now. You can soak sterilization drugs in Jack Long. If you don't treat them for a long time, your nails may go bad.
Pay attention to vitamin supplementation at ordinary times. Dead skin has something to do with vitamin deficiency.