Sweat herpes is not a fungus and belongs to a specific type of hand eczema. It occurs on the palmoplantar and lateral margins of the fingers (toes). Sweat herpes lesions are deep pinpoint to corn size blisters containing clear or cloudy slurry, blisters can merge into large blisters, drying up to form collar-like flaking. Conscious of different degrees of itching or burning sensation. The course of the disease is chronic, and it is easy to recur in spring, summer and fall. The disease is associated with the interaction of various internal and external factors, and in a few cases may be mediated by delayed hypersensitivity reactions. The first line of treatment for herpes sweating is glucocorticoids such as mometasone furoate, or oral antihistamines such as cetirizine when itching is intense. Sweat herpes should be actively seeking medical treatment, under the guidance of the doctor to find the causative factors, targeted treatment. Try to avoid contact with irritants.