The difference between cutaneous viral infections and fungal infections mainly includes different pathogenic causes, different clinical manifestations and different treatment modalities. 1. Different causes: cutaneous viral infections are related to infections caused by contact with pathogenic viruses and are viral skin diseases; fungal skin diseases, on the other hand, are mainly due to fungal infections. 2. Different clinical manifestations: viral dermatosis can lead to skin erythema, herpes-type lesions, wart-like lesions. Fungal infection due to the different parts of the onset, the clinical manifestations are not the same. Fungal infection of the scalp can lead to scalp flaking, hair loss; infection to the hands and feet, buttocks, can lead to redness, swelling, pain, pus and other manifestations. 3. Different treatment: the treatment of skin viral infections is mainly based on antiviral drugs, such as the use of iodine, trifluridine, phthalidomide, acyclovir and so on, so that the virus loses its activity. The treatment of fungal skin infections is mainly based on antifungal drugs, such as the use of topical clindamycin and ketoconazole, and internal itraconazole and terbinafine hydrochloride. There are skin diseases, it is recommended not to blindly use drugs to avoid the use of medication is not symptomatic, resulting in the aggravation of symptoms. Should be timely to the hospital dermatology consultation, clear cause, follow the doctor’s instructions standardized treatment.