The heavy smell of underarm sweat may be caused by local hyperhidrosis, or sweat cleaning is not timely leading to bacterial growth and odor, can be solved by drug treatment and surgical treatment. 1. Medication: clean up the local skin in time after sweating in the armpit, keep the armpit skin dry and clean, and use the appropriate topical aluminum chloride anhydrous ethanol and other drugs, which can improve the symptoms of excessive sweating to a certain extent. 2. Surgical treatment: by removing part of the sweat glands in the armpit, to reduce the production of sweat in the armpit, after the surgery, need to pay attention to good disinfection and dressing change, to prevent the wound from getting infected, there is also a certain possibility of recurrence after the surgery. In addition to the above two treatments, you also need to pay attention to diet and eat less spicy and stimulating food, so as not to aggravate the secretion of sweat, medication also needs to be used under the guidance of a physician, it is recommended to go to the hospital in time to choose the appropriate treatment.