Constipation with excessive flatulence may be related to diet, irregular bowel movement, intestinal flora disorders and other reasons. 1. Diet: excessive intake of gas-producing food, such as soy products, meat, etc., produces a lot of gas in the process of digestion, resulting in excessive gas in the intestines, stools can not be discharged normally, which will cause constipation and excessive gas. 2. Irregular intestinal motility: irregular intestinal motility, resulting in food can not be digested and absorbed in a timely manner, accumulation in the intestinal tract, fermentation gas, gas in the intestinal tract to gather, resulting in constant exhaust, resulting in constipation and exhaust. 3. intestinal flora disorders: after a gastrointestinal infection, or the human body to use antibiotic treatment and long-term mental stress and other factors can lead to intestinal flora disorders, resulting in a decrease in the proportion of probiotics, gas-producing bacteria increase, resulting in bloating, abdominal discomfort, increased exhaust and other manifestations. Constipation gas, you can adjust the diet, eat more fruits and vegetables and other foods rich in dietary fiber to promote intestinal peristalsis, can be applied under the guidance of a doctor, mosapride citrate tablets, domperidone tablets and other drugs to promote gastrointestinal power, if it can not be improved, you need to go to the hospital in a timely manner for examination, to clarify the cause of the disease, and active treatment.