Li, Moumou, male, 5 years old History: The child has been eating irregularly and often likes to overeat, while abdominal pain occurs from time to time. At the time of consultation, the child’s abdomen was distended, painful and refused to be pressed, belching and vomiting, frequent yawning, foul stools, restlessness at night. Diagnosis: abdominal pain in pediatric patients. Treatment: eliminating food stagnation, promoting Qi flow and relieving pain. Second diagnosis: abdominal pain relieved, abdominal fullness significantly improved, no belching, stool daily, light red tongue, thin greasy moss, the above to Yanhuosuo, forsythia, continue to take medicine for 5 days. Press: abdominal pain is a common symptom in childhood, with pain below the stomach and epigastric region, the four sides of the umbilicus and above the pubic bone as the main symptoms. It is mainly caused by pain below the stomach, four sides of the umbilicus and above the pubic bone. It is said in “Accumulated pain” that “abdominal pain in children is caused by food accumulation”. The milk is valuable at times, and food is valuable in moderation. If the milk food is not in moderation, overeating and overeating, or full food and strong food, more food when lying down, or over-eating hard, nourishing and greasy things that are difficult to eliminate, it can cause damage to the spleen and stomach, food stopping the middle jiao, Qi stagnation, and abdominal pain. The treatment should be based on Qi management. In this formula, Hou Pu, Sha Ren, Mu Xiang and Fried Citrus aurantium regulate Qi and move stagnation, Lycopodium and Raw Hawthorn eliminate food and stomach, Bai Fu Ling and Raw Atractylodes nourish Qi and strengthen the spleen, Yan Hu Suo relieves pain, Lian Qiao clears heat and disperses knots, and Licorice harmonizes herbs. The combined use of all the medicines can eliminate the disease.