Generally speaking, we can determine whether an infant has diarrhea by the nature, frequency and color of the stools. 1. Stool character: if the baby’s stool shows obvious eggdrop soup-like, fecal matter and water obviously separated, there is obvious mucus and blood in the stool, it can be judged that there is diarrhea. 2. Frequency of stools: infants generally have their own pattern of the number of stools per day, if the number of stools increases significantly, ≥ 3 times, there may be diarrhea. 3. Stool color: under normal circumstances, the baby’s stool is yellow or yellowish green, once the baby’s stool changes color such as greenish, it may be caused by diarrhea. If you suspect that your baby has diarrhea, it is recommended that you go to the hospital in time, complete the examination, and have the doctor make a comprehensive judgment, and if the diagnosis is confirmed, carry out regular treatment as soon as possible.