Hard and rough feet may be caused by fungal infection, keratosis pilaris or excessive friction, etc. You can choose antifungal treatment, keratin softeners and rest for treatment and relief. 1. Fungal infection: local sebaceous gland secretion abnormality or excessive moisture can cause fungal infection of the feet, there will be the symptoms of hard and brown feet, you can choose antifungal drugs, treatment and relief, such as itraconazole capsule and so on. 2. Keratosis pilaris: Keratosis pilaris is a chronic inflammatory disease that occurs in the skin, dry skin or incorrect washing habits can lead to keratosis pilaris, which can lead to the symptoms of hard and rough palms of the feet, and you can choose keratinous softeners for treatment and relief, such as urea ointment. 3. Excessive friction: long-term use of the feet for mechanical repeated extrusion, excessive friction, etc., there will be symptoms of hard and brown feet, it is recommended to rest, insist on the use of hot water foot soak, can effectively improve the symptoms of hard and brown feet. When the symptoms of very hard and brown feet, it is recommended to go to the hospital in time for examination and diagnosis, and under the guidance of the doctor for medication, do not blindly use drugs, in order to avoid adverse reactions.