There are both feet, but not in other places. It has lasted for some time and is not painful or itchy
This situation may be that the skin is too dry, so this phenomenon will occur. Some related conditioning treatments can be carried out. For example, pay attention to strengthening moisturizing, avoid eating spicy and stimulating things, and then apply some related moisturizing and skin care products. Generally, it can get better slowly.
The picture you provided shows that considering the possibility of fungal infection, you can disinfect with Iodophor externally, apply dakonine or pereasone ointment, pay attention to personal hygiene, avoid scratching, wear loose, comfortable and breathable shoes and socks, eat light food, avoid fishy hair food, and eat more fresh vegetables and fruits.
Ask about the situation. Consider the chapped skin. Sometimes the lack of water in the skin can be caused. In addition, contact with some instant irritants can be caused. You can apply Vaseline appropriately and observe to see if it can improve the selection of Vaseline to be used.