Minimally invasive surgery for armpit odor does not normally result in skin necrosis, unless there is bleeding from the surgical site or a serious infection occurs. Minimally invasive surgery for the treatment of halitosis has the characteristics of less surgical trauma, fast recovery, etc. It is the first choice for the treatment of halitosis, and it is also a more commonly used treatment, which normally does not cause skin necrosis. Localized skin necrosis after minimally invasive surgery may be related to the following factors: 1. Wound bleeding. Damage to the blood vessels in the armpit during surgery, resulting in local bleeding, blood stasis will affect the wound healing, and in severe cases, may even lead to skin necrosis. 2. Serious infection. (1) The operation process is not standardized, resulting in local skin infection, which will affect the wound healing, and may even lead to local skin necrosis. (2) Improper postoperative care may lead to wound infection, delayed healing, and even lead to skin necrosis. In order to reduce the possible complications after minimally invasive surgery, it is important to choose a regular medical institution, and at the same time pay attention to strengthening the postoperative wound care.