The main difference between the appearance of tinea cruris and herpes perspiration is that tinea cruris manifests as erythema, desquamation, and blisters, while herpes perspiration simply manifests as clear blisters. Tinea versicolor is caused by fungal infection and may occur throughout the year. It usually starts on one hand, and the main symptoms are blistering and peeling, which may be accompanied by blistering and oozing. If the symptoms are severe, it may extend to both hands, accompanied by a significant itching sensation. Sweat herpes is mostly due to local contact with allergenic substances, both hands may occur at the same time, itching symptoms are less obvious, the main manifestation of small rice grains to the size of small subcutaneous blisters, individual and independent, the content of the clarified transparent, may be accompanied by the phenomenon of flaking. The rash caused by herpes perspiration usually occurs on the sides of the fingers, and in severe cases may occur on the palms of the hands. Sweat herpes, tinea cruris are all skin problems, tinea cruris type is different, the patient’s clinical manifestations are also different. Through the patient’s local manifestations, to the dermatology department for examination and comprehensive judgment. It is recommended to consult a doctor when discomfort occurs, and follow the doctor’s instructions.