The height standard for a two-and-a-half-year-old female baby is about 92.5cm, and the weight standard is about 11kg. If the height value of a two-and-a-half-year-old female baby is higher than this standard and the weight value is higher, we should consider controlling the baby’s daily diet, controlling highly nutritious food and not letting the baby eat too much to avoid overweight and obesity. If your baby’s height is lower than this value and weight is low, you should give your baby timely nutrition, appropriate supplementation of calcium, iron and zinc, and let your baby eat more protein-rich food, so that your baby grows up with balanced nutrition. It is best to take your baby to the pediatrician for a comprehensive physical examination to rule out the possibility of disease causing your baby’s growth to be lower than normal, and to have your baby checked for trace elements. The mother should feed her baby properly and take good care of her baby, and her baby’s height and weight will slowly reach normal values.