Girls have a vertical line in the abdomen, generally refers to the girls abdominal white line, abdominal white line a small amount of long hair is generally a normal physiological phenomenon, no need to worry too much. If the girls abdominal white line hair is more intensive, thick, may be related to genetics, endocrine disorders and other factors, can go to the hospital to improve the relevant examination and symptomatic treatment: 1, genetic: immediate family members who have hairy situation, may lead to the next generation of girls abdominal white line long hair, accompanied by hair, eyebrows, sweat hair and other hair amount, color heavy symptoms. Genetic factors caused by such phenomena, generally no special treatment, patients can use eyebrow scrapers, hair removal wax paper and other tools, hair removal treatment, but later may stimulate the hair follicle, causing hair growth more serious; 2, endocrine disorders: girls on the abdomen of the abdominal white line a lot of long hair, may be related to androgen secretion exuberance. Common clinical causes of androgen overproduction include abnormalities in the function of the pituitary, hypothalamus, adrenal glands and other glands, as well as polycystic ovary syndrome. If a girl has a large amount of hair growth in other parts of the abdomen, recurrent acne, irregular menstruation, rough voice and other symptoms, it is recommended to go to the hospital as soon as possible to improve the relevant endocrine examination and carry out symptomatic treatment. Girls with a vertical line of long hair in the small of the abdomen can use hair removal solution, hair removal cream, etc. to achieve the purpose of temporary hair removal, but the chemical ingredients in such products have a certain degree of irritation to the skin, the use of the instructions need to be strictly in accordance with the operation. In addition, patients with a strong desire to remove hair can also go to the hospital, or professional beauty institutions for laser hair removal, the physical signal generated by the laser can destroy the hair follicle, to achieve the purpose of removal.