Fungal infection of the hand may be caused by not paying attention to hygiene, infected by others and low immunity, etc. You can choose to improve hygiene habits, use antifungal drugs and enhance immunity for treatment. 1. Not paying attention to hygiene: after contact with fungus, not washed off in time, resulting in fungal residue in the fingers, or local long-term moisture, a large number of breeding and reproduction, resulting in fungal infections, it is recommended that the patient to improve hygiene habits, wash their hands diligently to ensure that the hands are clean and dry. 2. Infection of others: patients and people with fungal infections such as sharing towels, can lead to fungal infections, patients can follow the doctor’s instructions to choose antifungal drugs for treatment, such as terbinafine ointment, itraconazole and so on. 3. low immunity: patients with low immunity are susceptible to fungal infections, through appropriate supplementation of nutrients, exercise, improve immunity, while paying attention to antifungal treatment. When the patient has a fungal infection of the hands, it is recommended to go to the hospital in time for examination and diagnosis, and under the guidance of the doctor for treatment.