Axillary odor is a special odor caused by the decomposition of organic matter in the secretions of the axillary sweat glands by bacteria, resulting in unsaturated fatty acids. The main removal methods are the following: 1, surgery: is to open an opening in the armpit, and then remove all the sweat glands in the axillary skin, to cure the purpose of axillary odor, the disadvantage is that the damage is large, easy to cause local skin necrosis. 2, minimally invasive surgery: the method is to make a rice-sized incision in the armpit, sweat gland removal device into the axillary skin, the destruction of the axillary sweat glands, remove the body, to achieve the purpose of treatment of axillary odor . 3, microneedle treatment: the use of laser high-energy instant carbonization, destruction of sweat glands on the skin, fast treatment, no bleeding, reliable efficacy. 4, injection of botulinum toxin. The effect of botulinum toxin is to inhibit acetylcholine, acetylcholine has a role in sweat glands, acetylcholine is inhibited after the axillary sweat glands can not play a role, this method is fast, no surgery, safe and no side effects. 5, pay attention to personal hygiene: diligent bathing, diligent change of underwear, keep the armpits dry and clean, less stimulating food.