The height and weight of six-month-old babies will vary slightly depending on gender. Under normal circumstances, the normal height of a six-month-old male baby is 64.2~73.2cm, and his weight is 6.9~10.3kg, while the normal height of a female baby is 62.7~71.5cm, and her weight is 6.4~9.6kg. It should be noted that, due to the height and weight by genetics, nutrition, as well as the environment, disease and other factors, so individual differences, there is no absolute fixed standard. However, if your baby’s height and weight are significantly different from that of babies of the same age, it is recommended that you should take your baby to the hospital for an examination and evaluation in a timely manner, so as not to delay the condition and target treatment.