Mites are not a common clinical cause of hair loss in patients. If the patient determines that the hair loss is caused by mites, it should be closely related to the irritation of the insects themselves, as well as skin allergies. The patient can apply sulfur ointment topical can play the role of insecticide, at the same time can apply glucocorticoid ointment and antihistamines, can effectively relieve the local skin allergic reactions. In the clinic, some patients actually mistakenly believe that they are due to mites and hair loss, patients must go to the dermatology department of a regular hospital, so that the doctor to determine what causes the hair, and then symptomatic treatment. The reason is that some patients in the clinic actually suffer from hair loss due to seborrheic dermatitis. Such patients are not due to mite infection, but are closely related to bad habits or to fungal infection.