Little girls with long beards may be related to family genetic factors and hormonal abnormalities. 1. Family genetic factors: if the child’s family members have heavy sweat, then the probability of the little girl heavy sweat will also be very high, will grow a beard, the other parts of the body sweat hair will also be heavier. 2. Hormonal abnormalities: If you exclude the family genetic factors, a little girl with a beard may be too much androgen in the body, may be related to the hypothalamus – pituitary – ovary axis abnormalities, the need to go to the hospital in time for examination, cause treatment. If the little girl is sick, long-term medication may also lead to hormonal abnormalities in the body, the appearance of long beard. There are other reasons why little girls have long beards, so it is recommended that you take your child to a regular hospital for an examination to determine the cause of the disease and standardize the treatment.