Pivetronium bromide tablets is a calcium antagonist with antispasmodic effect in the gastrointestinal tract, with therapeutic effect on digestive tract dysfunction, auxiliary treatment of intractable bloating. Pivetronium bromide tablets can block the flow of calcium ions into the smooth muscle cells of the intestinal wall, preventing muscle over-contraction, in order to eliminate the hyper-responsiveness of intestinal smooth muscle, in addition to increasing intestinal peristalsis, for the digestive tract dysfunction has a good effect. Abdominal distension may be caused by excessive contraction of the muscles of the gastrointestinal tract and the retention of gas and fluid due to the weakening of peristalsis, so Pivacurium Bromide can be used to treat abdominal distension caused by such reasons. Adverse reactions such as abdominal pain, diarrhea and constipation may occur during the use of the drug, and it should be noted that it is contraindicated in pregnant women. This drug should be used under the supervision of a physician.