Flatulence in pregnancy can be treated with medications such as Bifidobacterium bifidum and Bacillus subtilis diphtheriae, or relieved by gently rubbing the abdomen and exercising. Flatulence may be related to pregnant women eat gas-producing food, or pregnant belly pressure on the gastrointestinal tract caused by gastrointestinal indigestion, pregnant women can take bifidobacteria and bacillus subtilis bifidus and other medications, this type of drug is generally not harmful to the fetus, and can promote intestinal peristalsis, which promotes the discharge of gas. Pregnant women can also follow the human anatomy, hand in the abdomen clockwise rotation, counterclockwise rotation, with external forces to promote intestinal peristalsis and thus exhaust gas. Pregnant women can also do proper exercise every day, the simplest exercise is to walk, every day need to exercise at least 30 to 60 minutes, can promote intestinal peristalsis.