If children have gastrointestinal disorders, they will have the following clinical symptoms: First, they will vomit. Gastrointestinal dysfunction in children can cause upward rebellion of stomach gas, resulting in vomiting. Secondly, it causes poor appetite. Children with gastrointestinal disorders will have a significantly reduced appetite for food. Finally, there are symptoms such as abdominal pain and diarrhea. Gastrointestinal dysfunction in children can cause hyperactive intestinal sounds and accelerated intestinal peristalsis, which can cause diarrhea, and significantly faster intestinal peristalsis can also pull the intestinal nerves, causing abdominal pain. For gastrointestinal dysfunction, children can be given probiotics to regulate, for example, children are given small Pepcid.