There is no authoritative information to show how long can flap necrosis after armpit deodorant surgery grow well, patients with flap necrosis after armpit deodorant surgery to take timely measures to treat, generally 1~2 months can be good, some patients have a longer recovery time, if necessary, need to carry out surgical treatment. Some patients may have the complication of flap necrosis after armpit deodorant surgery, how long can the patient grow well after armpit deodorant surgery with flap necrosis needs to be judged according to the patient’s condition. If the patient’s flap necrosis area is small, no serious infection, after the appearance of flap necrosis need to find a doctor in time to remove the necrotic flap, and then next to the loose skin to advance the wound site, most patients can be good in 1~2 months after treatment. If the patient’s localized flap necrosis after armpit odor surgery has a large area, the patient’s flap necrosis time may be longer. At this time, patients need to take transfer flap transplantation or free flap transplantation treatment. It is recommended that patients with flap necrosis after armpit deodorant surgery need to consult a doctor in time, and the doctor will judge how long the flap necrosis can be well according to the severity of the patient’s condition.