Precocious puberty is a medical condition in which a child experiences the physical and hormonal changes of puberty at an abnormally early age. This condition occurs in both girls and boys, and is caused by an exaggerated response of the hypothalamus-pituitary-gonadal axis. This can be caused by a variety of underlying factors, including genetic and environmental influences. Signs of precocious puberty in girls include the development of breast buds, pubic hair, and an increase in height. Boys may experience testicular enlargement, pubic hair growth, and deepening of the voice. These physical changes may be accompanied by emotional and social changes, such as increased self-consciousness, mood swings, and difficulty concentrating. Diagnosis of precocious puberty is based on the evaluation of physical and hormonal changes, as well as a complete medical history. Treatment of precocious puberty is based on the underlying cause and may include medications to delay puberty, as well as psychological support to help the child and family cope with the changes. Precocious puberty can have a significant impact on the physical, emotional, and social development of a child, and it is important to seek medical attention if precocious puberty is suspected. Early diagnosis and treatment can help to minimize the psychological and physical consequences of this condition.