11-year-old girl long beard is the body androgen secretion caused by excessive, most of the pathological state, may be accompanied by polycystic ovary disease, need to seek medical treatment. However, there are also hereditary physiological factors lead to, generally do not need special treatment. When the 11-year-old girl body androgen secretion is too much, there may be long beard, excessive body hair phenomenon, and long accompanied by polycystic ovary syndrome. In this case, we should go to the hospital in time to draw blood for endocrine 6 items, to clarify the type of disease, and symptomatically give the corresponding resistance hormone for treatment. Pathologic factors may also be related to genetic factors or transient endocrine disorders during puberty. This kind of generally do not need special treatment, belong to the normal physiological performance. The 11-year-old girl grows a beard, it is recommended to consult a doctor in a timely manner, to clarify the cause of the targeted treatment or therapy.