Armpit odor is a common benign condition of the armpits, usually caused by localized hypersecretion of sweat glands and large sebaceous glands, secondary to bacterial infection, and can produce a distinctive odor. Deodorant surgery is the most thorough way to deal with the problem by removing the excessive sweat glands. And laser axillary deodorant surgery belongs to a kind of minimally invasive treatment, laser treatment of axillary deodorant is safer compared with other methods, but there may be the following risks: 1, if the operator’s operation technique is not good, it may cause excessive laser radiation of the local skin, which will result in the formation of a relatively large area of necrosis; 2, not enough irradiation, leaving excessive sweat glands, and the smell still remains after the operation, it can be further processed again with the laser; 3, after the treatment There may be a transient red and swollen reaction, which usually disappears on its own; 4, postoperative infection is a relatively common risk, which is related to improper postoperative care, and patients should pay attention to keep the operative area dry, can not touch the water, and do not touch the scabs with their hands. Before the scabs fall off, can not participate in intense exercise, so as not to sweat a lot and cause infection; 5, most people may appear after the operation of hyperpigmentation, generally no treatment is needed, 2-4 months this situation can subside on its own; 6, axillary scarring: laser irradiation of the skin damage caused by blister formation of a part of the epidermal dermis necrosis, resulting in scarring.