Ten-year-old boy can not eat cold things, eat a diarrhea, may be due to food overcooling stimulation, dysbiosis or irritable bowel syndrome caused by dietary modification and medication can be taken to alleviate. 1. Food too cold: eating cold food will cause significant stimulation of the gastrointestinal tract, resulting in increased intestinal peristalsis, absorption capacity is weakened, resulting in increased water in the stool, diarrhea, at this time you can apply hot compresses to the abdomen, to relieve the pain, if necessary, comply with the doctor’s instructions orally regulate the intestinal flora such as Bacillus licheniformis and other probiotics, Montelukast to stop diarrhea treatment. 2. Bacterial dysbiosis: If the child itself has a bacterial dysbiosis, after eating cold food will appear diarrhea, this time can follow the doctor’s advice oral Clostridium Typhimurium bacillus, Saccharomyces boulardii and other probiotics to regulate intestinal flora, improve intestinal function, diarrhea can be relieved. 3. Irritable bowel syndrome: children with irritable bowel syndrome, when stimulated by cool food, intestinal peristalsis increases, thus causing diarrhea, at this time we need to pay attention to make the child to maintain a happy mood, it should be recommended that the child to avoid overeating, especially high-fat food, eating too fast will exacerbate the gastro-colonic reflexes, should be chewed and swallowed slowly. If necessary, follow the doctor’s prescription oral probiotics such as Saccharomyces boulardii to regulate intestinal flora, but also by changing the movement of the colon and secretion or absorption function to enhance the therapeutic effect of other drugs. When a child has diarrhea from eating cold food, it is recommended to seek prompt medical attention and be evaluated and treated by a specialist to avoid delays.