If it is heredity and other physiological factors that cause girls to grow a beard, it can be removed through the hair removal knife, ice point hair removal, etc. If it is hirsutism, polycystic ovary syndrome and other diseases triggered by girls to grow a beard, in addition to symptomatic treatment, it is also necessary to improve the cause of the disease to take the general treatment, medication, surgery and other ways to improve the cause of the disease. 1. Physiological factors: heredity, androgen secretion and other physiological factors may trigger the girl to grow a beard, it is recommended to take a razor to shave off the beard directly, or the use of ice hair removal, based on the role of light and heat to gently destroy the hair follicles, so that the hair can not grow. 2. Hirsutism: Hirsutism may trigger girls to grow a beard, it is recommended to take oral spironolactone, finasteride and other drugs under the guidance of a specialist to inhibit hair growth. For patients with hirsutism such as ovarian and adrenal tumors or pituitary tumors causing hirsutism, surgical removal is also an option. 3. Polycystic Ovary Syndrome (PCOS): If a girl has a long beard, she may be considered to have polycystic ovary syndrome (PCOS), which requires her to improve her living habits, control her diet, and exercise appropriately. Oral spironolactone, compound cyproterone acetate and other drugs can be taken under the guidance of specialists, which can reduce blood androgen levels and improve the situation of hairiness. The reason for the girl to grow a beard is not one, it is recommended that the patient to the regular medical institutions for medical examination, to clarify the cause of the disease, and cooperate with the doctor symptomatic standardized treatment.