The white adherence of armpit hair may be physiological reasons such as sweating crystals, may also be caused by armpit hair ringworm, according to the cause of the corresponding choice of treatment, such as cleaning the local, remove armpit hair or local topical medication, such as erythromycin ointment, sulfur ointment and so on. 1. Physiological reasons: armpit hair with white attachments may be sweat crystals, generally common in summer, sweat secretion more, there will be white crystals precipitated and attached to the armpit hair, which is a normal physiological phenomenon, general cleaning of the armpit can improve the symptoms, such as can not be improved, you can shave the armpit hair to achieve the purpose of the root cause. 2. Axillary hair ringworm: armpit hair with white adherents may be axillary hair ringworm, patients should pay attention to local hygiene, keep the armpit clean and dry, can shave the affected armpit hair, at the same time, can be localized topical medication, such as biphenylbenzazole cream and so on. The armpit hair has a white adherent is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor to carry out active treatment, do not unauthorized use of medication, to avoid adverse reactions.