Oil ear type armpit odor is mainly caused by heredity, and there is no specific treatment, but armpit odor can be treated by surgery, laser, botulinum toxin injection and so on. 1. Surgery: armpit odor can be treated by minimally invasive removal of sweat glands, minimally invasive surgery with small incisions and beautiful postoperative appearance, the specific surgical program needs to consult a plastic surgeon. 2. Laser treatment: such as gold microneedle treatment, can destroy sweat glands, inhibit sweat secretion, and deodorant effect. 3. Botulinum toxin injection: Botulinum toxin injection can block the cholinergic nerve fibers and reduce the secretion of sweat glands to achieve the purpose of treating armpit odor, but the effect is not permanent. The treatment of armpit odor should take into account various factors such as individual physique and progress of the disease, so it is necessary to consult a professional doctor.