Generally, rubbing the belly will not cause miscarriage, the belly rubbing action is relatively gentle to the uterus almost no harm, and the fetus in the uterus, there is the abdominal fat layer, uterine muscle layer and amniotic fluid and other tissue protection, especially the amniotic fluid has a good buffering effect of external pressure, and rubbing the belly will not stimulate cause contractions, so rubbing the belly will not cause miscarriage. However, if gravity hits the uterus, it is easy to cause a miscarriage, so during pregnancy pregnant women should strengthen self-protection, try to avoid going to crowded occasions, pay attention to safety when going out, and try to avoid abdominal impact and miscarriage. At the same time, it is recommended not to take foods or drugs that can cause contractions or have the function of activating blood during pregnancy, such as hawthorn and cinnamon, and not to massage the foot points and nipples at will to avoid stimulating contractions and miscarriage.