You can peel it off. Just pay attention. You must peel it off. Stop tearing it. If peeling is serious, it is recommended not to continue using it.

Usually pay attention to keep your feet clean and tidy, and your daily diet should be well conditioned and light.

Eat more vegetables and fruits rich in vitamins, and eat less spicy, fried and other irritating foods. You can apply Shuzhuning appropriately and take vitamin B 1 orally.

Pay attention to airing shoes at ordinary times, and don't wear slippers with others to prevent beriberi from recurring.