For patients with cracked hands and feet, usually due to tinea pedis formed by fungal infection, it is recommended that patients should first undergo antifungal treatment, and then can be improved by supplementing vitamin B1. 1. Anti-fungal treatment: patients can use topical anti-fungal ointment under the guidance of the doctor, such as terbinafine cream, naftifine ketoconazole cream and so on. 2. Vitamin B1 for improvement: Vitamin B1 is also known as the anti-fungal vitamin. Then for patients with cracked hands and feet caused by fungal infections, vitamin B1 can be supplemented to alleviate the symptoms. In addition, vitamin B1 plays a more important role in the body’s energy metabolism. For poor diet and poor gastrointestinal function of the crowd, can also be appropriate supplementation of vitamin B1 to improve, vitamin B1 can also provide a certain amount of energy for the nervous tissue. For patients with cracked hands and feet caused by ringworm, it is recommended to go to a regular hospital, under the guidance of a professional doctor for treatment.