The toes have corns, which are usually caused by friction. Cornus can be treated in the following ways:

Horny patch: External horny patch, usually changing medicine once every 3-5 days. Before dressing change, you need to remove the residual drugs, soak your feet with hot water or potassium permanganate, carefully scrape off the softened keratin, then stick a keratin patch and repeat the treatment until it falls off.