Two years and five months baby height and weight standards for male babies weighing 10.97-17.06kg; height of 85.9-101.0cm; female babies weighing 10.52-16.39kg, height of 84.8-99.8cm. It is usually considered that a baby’s height and weight are within the normal range if they are not more than two standard deviations above or below the standard height and weight. Male babies grow faster than female babies. Usually, the standard weight of male babies should not be lower than 10.97kg and the standard height should not be lower than 85.9cm, while the standard weight of female babies should not be lower than 10.52kg and the standard height should not be lower than 84.8cm. Paternal genetics, growth environment, daily nutrition, exercise, sleep, and diseases are the main factors affecting the height and weight of two-year-old and five-month-old babies, and it is recommended that more babies be taken to outside activities, more sunshine, which will help the synthesis of vitamin D, and promote the growth of the baby’s height. Let the baby eat more food containing high protein such as eggs, milk and so on. If the height and weight of the two-year-old five-month-old baby is abnormal, it is recommended to consult a doctor in a timely manner, with the help of the doctor to clarify the cause of the disease, and targeted treatment or therapy.