Armpit sweat patches are also called lichen planus, usually caused by fungal infection, so the treatment is based on antifungal treatment, especially topical antifungal ointment treatment, such as the application of terbinafine hydrochloride cream, naftifine hydrochloride cream, ketoconazole cream, miconazole nitrate cream, bifonazole cream, luliconazole cream and so on. There are more creams to choose from. Of course, you can also choose topical medications like Parasone ointment, which is a combination of antifungal drugs and hormones, and the effect is also more certain. If the symptoms of armpit sweat spots are more serious, large area or accompanied by sweat spots in other parts of the body or tinea versicolor, jock itch, etc., you can also choose to combine with oral antifungal drugs, such as itraconazole, fluconazole and so on. It is important to note here that oral antifungal drugs have a certain effect on liver function, so it is necessary to regularly monitor liver function, if the liver function is abnormal, the drug should be stopped immediately to avoid liver damage. At the same time, underwear should choose cotton thread, and pay attention to clean.