Usually, the methods of treating bad odor include general treatment, medication, surgery, physical therapy and so on. 1. General treatment: for mild cases of bad breath, you can shave the armpit hair, take baths and change clothes regularly to keep the armpits clean and dry, and usually the bad breath can be relieved significantly. 2. medication: for the mild symptoms of halitosis, can also be used to apply drugs, commonly used drugs include formaldehyde solution, potassium permanganate solution and other antibacterial drugs, aluminum chloride solution, glutaraldehyde solution and other deodorant drugs, as well as zinc oxide nylon powder, armpit powder and other deodorants. For patients with severe symptoms, underarm injection of botulinum toxin type A can be used to help reduce the secretion of sweat to achieve the purpose of deodorization. 3. Surgical treatment: such as micro-incision surgery, gross area pike-shaped total excision, axillary deodorant stripping and scraping, etc., which can be used for patients with severe symptoms of deodorant. 4. Physical therapy: such as laser, high-frequency electroacupuncture, radiofrequency and ultrasound therapy, etc., which help to inhibit sweat secretion by destroying local skin follicles and sweat glands, so as to achieve the purpose of removing bad breath. It is recommended that patients pay attention to daily care, if there is no significant improvement through the general treatment, you can choose other appropriate treatment measures under the guidance of the doctor.