Keratosis pilaris is the medical term for scaly keratosis pilaris, which is caused by fungal infection. The reason is mainly divided into two aspects: 1, their feet sweat more: and then wash shoes and socks are not diligent, leading to the environment inside the shoes is more humid, so it is easy to make the fungus to reproduce and cause fungal infection of the foot. 2, cross-infection: for example, with people suffering from ringworm of the foot to wear slippers, sharing bath tubs, sharing the foot basin, etc., or rainy days and other weather in the outside of the trickle of dirty water, can be caused by the formation of the infection of the fungi! Tinea pedis, or foot fungus. In addition to keratosis pilaris, there are two other types of tinea pedis: blistering and macerated erosion. Regardless of the type, it is caused by a fungal infection and requires treatment with antifungal medication for about four weeks.