Armpit hair is the expression of the secondary sexual characteristics of a person, and it has many functions, such as heat preservation, immune regulation, promotion of perspiration, metabolism, and also has a certain aesthetic effect. But the axillary hair at the sweat glands, sebaceous glands and sweat glands are more developed, can also cause the corresponding disease, such as axillary hair ringworm or folliculitis, and sweat gland inflammation, there are some people after puberty can be accompanied by armpit odor is also called fox odor, so local to keep dry, often wash, remove the odor. If necessary, if the axillary hair is accompanied by severe folliculitis or follicular infection, it is recommended to remove the axillary hair and cooperate with the treatment.