The possible causes of small abdominal distension with gas include normal menstruation or digestive tract diseases, which need to be combined with physical signs and professional examination results to make a comprehensive judgment and perform targeted treatment after clarifying the causes. Common causes and treatment a. Normal menstruation generally when the menstrual flow, there may be 1-2 days of small abdominal cramps, small abdominal cramps may be mistaken for small abdominal gas, mostly due to changes in hormone levels in the body, pay attention to abdominal warmth and reasonable rest, with the gradual passage of the menstrual period, the symptoms will disappear. Second, digestive tract diseases 1, functional dyspepsia: improper diet, emotional problems and other factors can lead to, food accumulation, gas production, gastrointestinal peristalsis slowed down after the small abdominal distension with gas, need to adjust the diet structure, light diet, do regular exercise, can take to promote gastrointestinal peristalsis drugs, such as domperidone tablets; 2, organic dyspepsia: disease caused by the gastrointestinal tract to prevent lesions, because the gastrointestinal tract function disorders, such as chronic gastritis, long-term reduction of gastric function, impaired digestive function, symptoms of indigestion, bloating, abdominal pain, can be diagnosed under gastroscopy, can use proton pump inhibitors plus antibiotic treatment, large hawthorn pill can promote digestion and reduce symptoms; 3, intestinal obstruction: a variety of diseases that cause intestinal contents to pass through the obstacle can appear intestinal obstruction, commonly enlarged intestinal tumors, intestinal surgery after adhesions, typical The typical manifestation is abdominal pain, and when the obstruction is serious, defecation and exhaustion stop, and the patient may feel abdominal distension and pain with gas. This condition is often combined with other clinical manifestations, and requires timely examination by specialists, such as gastroenteroscopy, to clarify the diagnosis and give appropriate treatment. If the symptoms are not serious, you can choose to apply heat and massage to the abdomen.