After pregnancy, both estrogen and progesterone increase. The increase of estrogen will lead to mild edema in the mucosa of the gastrointestinal tract, while the increase of progesterone will reduce the peristalsis of the stomach and intestines, so when the mucosa of the gastrointestinal tract is edematous and the peristalsis is reduced, there will be gas in the intestines, so there will be frequent exhaustion, which is a normal phenomenon. It is recommended that pregnant women eat easily digestible food to reduce the burden on the gastrointestinal tract, and take appropriate walks to promote gastrointestinal peristalsis and accelerate digestion, so that the phenomenon of exhaustion can be reduced. Pregnant women are advised to eat less and more meals to reduce the burden on the gastrointestinal tract.