Possible reasons for cracked skin on the feet are physiological reasons such as dry skin, pathological reasons such as tinea pedis, foot eczema and so on. 1. dry skin: feet skin dehydration is too dry when the phenomenon of dry cracks, you can use emollients such as glycerin, petroleum jelly, etc. to ease. 2. Tinea pedis: Tinea pedis is caused by fungal infection, keratosis pilaris can be manifested as rough and cracked skin, accompanied by itching and flaking, etc., you can use antifungal ointment such as ketoconazole cream, terbinafine cream, etc., and at the same time, the joint use of salicylic acid and so on. 3. foot eczema: foot eczema can also be manifested as the phenomenon of skin cracks, you can use glucocorticosteroids such as halomethasone cream and other relief. If the phenomenon of cracked skin on the feet, you should go to the hospital in a timely manner, the use of drugs should follow the doctor’s instructions.