Sweat spots are getting whiter and whiter, it does not indicate whether it is serious or almost done, it may be a manifestation of the disease or hypopigmentation after inflammation. Sweat patches is florid chaff rash, also called lichen planus, is a skin fungal infection, mostly occurs in the chest, face, back, armpits, etc., and genetic factors and environmental factors, drug factors, etc., the specific condition varies from person to person. The main manifestation is a point-like skin rash, with the further development of the disease, it will gradually develop into flaky, the surface of the skin lesions with scales, most of the patients do not have symptoms, or accompanied by mild itching of the skin. The skin lesions are white, brown, yellowish and so on. Rash is white, may be a clinical manifestation of sweat spot lesions, may also be post-inflammatory hypopigmentation, can not directly indicate that the sweat spot has been good or more serious, the specific stage of the disease needs to be based on the patient’s situation. Sweat spot lesions gradually shrink, scale reduction, etc., indicating gradual improvement. Sweat spots are usually treated with external medication, such as clotrimazole cream, ketoconazole cream, etc. For the lesions with large area and the effect of external treatment is not obvious, oral antifungal medication can be taken as prescribed by the doctor, such as itraconazole, etc. If there is white skin with scaling, it is not a direct indication that the disease has recovered or become more serious. If the white skin with scales and other symptoms can not be relieved by themselves, you need to go to the hospital in time to avoid delaying the condition.