The hair in the armpit is white, it should not be armpit hair, but an abnormal substance attached to the armpit hair, considered to be the secretion of sweat glands, and also accompanied by an abnormal smell, may be related to the patient usually do not pay attention to hygiene. It may also be because the patient’s body is too hot and humid, oil secretion, sweat precipitation and appear, it is recommended that patients should promptly wash the armpit area, appropriate rub moisturizer or toner to help patients relieve the symptoms, if the above methods do not relieve, should be fungal or bacterial infection after the appearance of. It is recommended to shave the armpit hair first, keep the armpit dry and clean, and go to the dermatology department of the hospital in time to have a bacterial examination before further symptomatic treatment.