The condition of long sweat hair in girls is still relatively common in clinical practice. Its causes: first, is a lot of similar patients, there is a family history, that is, parents or other relatives have long sweat hair; second, may be that and the body’s hormone levels, especially androgen levels are high have a certain relationship; third, oral medication, such as cyclosporine and other drugs eaten after a long time will appear hairy, or long sweat hair; fourth, due to systemic The fourth, due to systemic diseases, such as polycystic ovary syndrome women, there will be hairy, long sweat, even acne, irregular menstruation, obesity and so on, so the girls sweat hair long cause is more.