Armpit odor is commonly known as “fox odor”, because the sweat glands are affected by endocrine secretion during puberty, so the fox odor mostly starts at puberty. Sweat glands only exist in the armpits, areola, anus, vulva and external auditory canal, only in the armpits bacteria and sweat gland secretions contained in the organic matter to produce saturated fatty acids, the formation of odor. Fox odor is associated with heredity, climate change, abnormal hormone secretion during growth and development, and fatigue. There are individual differences in the degree of development and function of the sweat glands, and people with particularly well-developed sweat glands and vigorous secretion are prone to armpit odor. Armpit smell (fox odor) patients are mostly young boys and girls at the age of psychological development, armpit smell is not timely treatment will cause psychological burden, the serious suffering from mental illness. Armpit sniffing (fox odor) can actually be cured, once the symptoms are detected should be treated in a timely manner. There are various treatment methods for axillary odor, and the efficacy varies. Based on years of clinical experience, the Department of Dermatologic Surgery at our hospital makes a small incision in the patient’s armpit, often about 1 cm, to completely remove the sweat glands and hair follicles in the deep dermis and shallow subcutaneous layer of the armpit hair area, thus eliminating the root cause of axillary odor.