For healthy people, rubbing the stomach at night before going to bed is beneficial. But for some special people or patients with underlying diseases, rubbing the stomach may be harmful. 1. For healthy people, belly rubbing has some benefits: (1) Rubbing the stomach can play the role of massage. It can increase blood circulation in the abdomen, promote gastrointestinal peristalsis, and accelerate the discharge of body wastes. And it can also reduce the pressure of the digestive system, which is conducive to relieving the symptoms of constipation. (2) Rubbing the stomach can make the blood in the abdomen unimpeded, which will make people feel very comfortable and is conducive to better sleep. (3) Tummy rubbing can also help abdominal fat burning, can play a certain role in weight loss, but the effect of weight loss is not very obvious. 2. For some special people, rubbing the stomach will lead to certain harm: (1) for pregnant women, should avoid rubbing the stomach at night before going to bed for a long time, because the massage may induce uterine contraction leading to miscarriage. (2) for people suffering from digestive disorders, if rubbing the belly of the wrong technique, against the intestinal peristalsis massage, may lead to digestive disorders or make the disease worse. All in all, for healthy people, rubbing the stomach at night before going to bed has some benefits. But for patients with digestive diseases and pregnant women, it is recommended to avoid rubbing the stomach. In case of abdominal discomfort, it is recommended to consult a doctor.