Fox odor, also known as armpit odor, this is a kind of armpit top secretion of sweat gland secretion of sweat under the action of bacteria produce special odor disease, the patient to the old age armpit odor will be reduced or naturally disappeared, in the young and middle-aged patients armpit odor will not naturally disappeared. Armpit odor occurs in the adolescent population, some patients into old age due to the top secretion function of the sweat glands decline, the symptoms of armpit odor can be reduced or disappear on their own, young adults due to the physiological metabolism of patients, the top secretion function of the secretion of the sweat glands, will not disappear naturally. Young and middle-aged patients with armpit odor can be treated by removing the armpit hair, reducing the number of local parasitic bacteria, or topical use of aluminum chloride to alleviate the symptoms, in addition, can also be destroyed by laser to the parietal sweat glands, or surgical excision of the parietal sweat glands to carry out the treatment. Patients to old age armpit odor will reduce or disappear naturally, in the young and middle-aged patients armpit odor will not disappear naturally, need to go to the hospital in time, under the guidance of the doctor for treatment.