1. Precocious maturity of the affected children and early epiphyseal closure affect the height of the affected children in adulthood, resulting in short stature in adulthood. 2. Psychological problems: Due to the early appearance of menstruation, the psychological pressure of the affected children increases, and studies have shown that the incidence of depression in children with precocious puberty is higher. 3. Increased incidence of certain diseases in adulthood: girls with precocious puberty have changes in body composition during and after puberty, such as increased body mass index, increased incidence of insulin resistance and metabolic syndrome; increased incidence of tumors in sex hormone-related organs in adulthood, such as tumors of the breast and uterus and ovaries. 4. Early sexual maturity of affected children can lead to problems in dating with the opposite and same sex, such as early sexual behavior; it is observed that by the age of 18, girls with early menarche are twice as likely to deliver or terminate a pregnancy as girls of the same age. 5, juvenile delinquency: early maturity is more prone to absenteeism and truancy, and the academic performance of early maturing girls in secondary school is worse than their normal or late maturing peers; early maturity is associated with some delinquent behaviors such as theft, vandalism, fighting and drug use; researchers found that women aged 18-33 with criminal records have a higher rate of menarche earlier than 12 years old, and repeat offenders The rate of menarche earlier than 11 years old was also higher among repeat offenders.