Prevention and care of corn symptoms: Avoid walking barefoot and avoid foot injuries; Pay attention to foot hygiene. Regularly observe whether there are changes in the skin, toenails, and toes of the feet; Do not wear small shoes that pinch your feet, do not wear shoes that are too hard or too soft, and do not walk often in high heels; Soaking your feet can unblock the meridians, relieve fatigue, not only sleep sweetly, but also prevent hyperplasia and aging. If your feet are dry, you can also apply foot cream and wear cotton socks; Regularly trim your nails and remove the callus layer on your feet. In addition to care, your condition also needs active treatment. You can use Wutong Jiyoutai externally. Use a cotton swab to dip Jiyoutai and apply it on the corn (www.tjpfw.org), twice a day in the morning and evening. Before each use, remove the keratin layer left from the last use. After the keratin plug falls off, continue to use it for 5-7 days to ensure thorough removal.