The smell in the armpit area may be caused by two reasons, as follows: first, consider axillary odor, axillary odor is mainly due to the developed sweat glands in the armpit area, which secrete a large amount of sweat by the action of bacteria, it produces volatile odor. For the occurrence of armpit odor, non-surgical and surgical methods can be used for treatment, the non-surgical method is to inject botulinum toxin in the armpit area, and the surgical method is to surgically remove or destroy the sweat glands in the armpit area. Second, the smell of the armpit area, but also consider the possibility of armpit area sebaceous adenitis or sebaceous cyst rupture, due to the sebaceous glands in the armpit area distribution is also relatively dense, if the complication of bacterial infection may lead to the occurrence of odor. For sebaceous adenitis or sebaceous cysts, surgery can also be used to remove.