Two and a half year old female baby’s height normal value is 83.6 centimeters above, weight normal value is about 10.04-15.16 kilograms between. Two and a half year old baby, its normal height and weight is a range, the normal value of height is 83.6 centimeters above, if the baby’s height is low, need to be alert to the possibility of dwarfism, can be timely to the children’s health department, follow the medical advice to be adjusted to deal with the diet, and try to catch up with the growth. And two and a half years old baby weight normal value is about 10.04-15.16 kilograms between, if the baby is overweight, must pay attention to the usual diet, can be appropriate to extend the baby each feeding interval, if the baby’s weight is low, need to be vigilant about the possibility of malnutrition, can follow the doctor’s advice to be adjusted to the feeding, can be appropriate to eat more protein, calorie higher food. Parents are advised to bring their babies to the child health department of the hospital regularly, and follow the doctor’s instructions on diet and feeding, and if there is any developmental abnormality, intervention can be carried out under the doctor’s guidance in a timely manner.