It is generally normal for infants to have soft stools 3 to 4 times a day and be in good spirits; if they have watery stools and are in poor spirits, immediate medical attention is needed. To assess whether an infant’s stools are normal, apart from the number of stools, it is also necessary to observe the character of the stools and the infant’s mental state and growth and development. 1. If the stools are soft, the baby eats milk normally, has no bloating, does not refuse milk, is in good spirits, and has normal growth and development, even if he/she poops 3 to 4 times a day, this is normal. 2. The stools are dilute and watery or have a sour odor, 3-4 times a day. At the same time, the baby’s spirit is poor, the skin is dry, the milk is poor, crying and so on, this kind of situation is abnormal, need to go to the hospital immediately, follow the doctor’s instructions for treatment, to avoid dehydration and electrolyte disorders.