Now that people have a better standard of living, they pay particular attention to the growth of their babies. Therefore, many mothers will form a mommy group, so it is common to compare the height and weight of each other’s babies, and sometimes worry too much about whether their babies are malnourished ah? Is it slow growth? So how to determine whether your baby is malnourished, let us use the numbers to speak.　　1, generally normal baby weight growth 20-30g per day in the first six months, after 1 year old weight growth tends to slow down 2, height and weight in the Z value -3 ~ 3 are normal 3, normal growth of the baby’s daily milk 110 ~ 150ml/kg, for example, a 5.5kg baby needs to drink milk 605 ~ 825ml per day, such a milk amount is normal If the baby’s height is lower than -3 or 5% then there is a risk of malnutrition, if there is no chronic diarrhea or other problems at this time, then it is necessary to go to the hospital for pediatric care, nutrition or pediatric gastroenterology to give appropriate treatment.