Girls with long beards are usually categorized into physiological and pathological. If it is a physiological factor, such as genetically induced hairiness, it can be eliminated by means of shavers, depilatory creams as well as laser hair removal. Secondly, it may be caused by diseases such as polycystic ovary syndrome, which need to be treated with medication for specific causes. 1. Physiological factors: (1) shaving knife: shaving knife has fast, simple and other characteristics, want to eliminate the beard of women can directly use the shaving knife to remove the local beard, can be fast and effective to eliminate the beard. (2) hair removal cream: hair removal cream in the chemical substances can dissolve the hair structure, is conducive to help hair removal, but easy to recur. (3) Laser hair removal: the principle of laser hair removal is selective photothermal effect, which can release high energy laser to destroy localized hair follicles and achieve the purpose of eliminating beard. 2. Polycystic ovary syndrome: if the acquired beard increase, thickening is not excepted and polycystic ovary syndrome and other endocrine diseases, you can follow the doctor’s advice oral cyproterone and other drugs, and actively treat the primary disease. There are many reasons for girls to grow a beard, after excluding physiological factors, it is recommended to go to a regular hospital to consult, under the guidance of the doctor, choose the appropriate way.