When the penis is infected with fungus, it is recommended to go to the hospital for consultation and give symptomatic treatment. First, first of all, local personal hygiene cleaning, you can use sodium bicarbonate solution, local cleaning of the penis to remove the penile surface secretions. Second, according to the size of the penile fungal infection, topical application of antifungal ointment. You can choose Miconazole ointment topical topical application, 2-3 times a day for a week. Third, further examination is needed to see if there is a combination of fungal infection in other parts of the body. If there is a combination of fungal infections in other parts of the body, systemic antifungal medication is needed. Such as intravenous injection of ketoconazole injection, 200mg, once a day for one week. Fourth, it is necessary to know whether there are any causative factors of fungal infection, such as taking oral immunosuppressants or having diabetes. If relevant causative factors, the causative factors need to be controlled, such as correcting blood sugar, stopping immunosuppressant taking, stopping long-term use of antibiotics, etc.