Cachexia in children is a term used in Chinese medicine to describe the clinical condition of anorexia, nausea, vomiting, diarrhea and abdominal distension that occurs after overeating, which is a condition of gastrointestinal dysfunction and displacement of intestinal flora caused by overeating. At this time, you need to avoid over-eating, eat light, easy-to-digest food, you can take oral probiotics to regulate, give the intestinal tract a relaxed environment, to avoid overburdening the intestinal tract. You can take medications to help digestion, such as stomachic oral liquid or chicken neijin san to regulate the situation, this situation will take about 3-5 days, and slowly get better.