It is normal for babies to have yellow stools. Generally, the first day after birth, newborns have fetal stools that are black. On the second day, the stool gradually turns to black and green, called transition stool. After three days, the stool usually becomes yellow. The number of times the child is fed and the number of bowel movements is related to the nature of the stool, breast-fed children generally have thin stools, the number of times more, some children may be 7-8 times a day, but does not affect the weight growth, called physiological diarrhea. 4-6 months after the addition of complementary foods, this diarrhea will be reduced, so mothers do not need to worry. If the stools of artificially fed children may be dry, you can give water once in the morning and once in the afternoon according to the situation, and the amount of water fed is usually 1/4 of the amount of milk.