Flatulence in pregnancy may be caused by changes in eating habits, an enlarged fetus, and hormone levels in the body. After pregnancy, the pregnant woman’s dietary appetite may change, may prefer to eat some gas-producing too much, too acidic, too sweet food, there may be indigestion, causing abdominal bloating. At the same time, after pregnancy, due to the pregnant woman’s body hormone changes, then it is easy to lead to pregnant women’s gastrointestinal function slow peristalsis, easy to lead to indigestion, or the phenomenon of flatulence after meals. There is also the fact that as the pregnant woman’s pregnancy weeks increase, the uterus will gradually increase in size, which will also press the intestinal tract, resulting in a feeling of fullness and bloating. In conclusion, if a pregnant woman feels bloating for a long time without relief, it is recommended to seek medical treatment in time and choose the appropriate way to treat it, in order to avoid affecting the development of the fetus.