If you sleep on your back and spit out a lot of gas, common methods for abdominal massage, taking drugs, hot compresses on the stomach, as well as acupuncture point compresses, etc., while paying attention to diet, as follows: 1, abdominal massage: repeatedly rubbing the belly clockwise in the abdomen can promote blood circulation in the abdomen, which helps gas discharge. 2, taking drugs: you can eat drugs that can help digestion and promote gastric power, such as morpholine, moxa The first thing you need to do is to take a few minutes to get a good idea of what you are doing, Do not eat food that is stimulating and easy to produce gas.