The symptoms of fungal infection of the foreskin are erythema of the foreskin and glans, with smooth surface and small herpes, the edges of the erythema are clearer, and there is vesiculation and oozing during the acute attack. In addition to being transmitted through sexual contact, the disease may also be endogenous, secondary to diabetes mellitus and long-term, large-scale use of broad-spectrum antibiotics resulting in dysfunctions of the organism’s flora. On examination, scattered papules at the glans prepuce and white cheese-like patches at the coronal sulcus are seen. Laboratory examination has a large number of pseudohyphae or a large number of budding spores. When there is fungal infection of the foreskin, please consult the doctor in time, and can be treated with antifungal drugs, such as clotrimazole ointment, etc. It is necessary to pay attention to the side effects and adverse reactions of the drugs, please use the above drugs under the guidance of the doctor. At the same time, pay attention to maintain local hygiene, couples at the same time treatment.