The stomach feels like there is a mass of gas that runs away when pressed may be due to dietary factors, constipation, gastrointestinal dysfunction, etc., mainly to take general treatment, drug treatment. 1. Dietary factors: may be too much to eat gas-producing foods, such as potatoes, onions, resulting in more gas in the intestines, heavy gastrointestinal burden, generally do not need special treatment, reduce the intake of gas-producing foods, the symptoms will gradually ease. 2. Constipation: mainly feces in the intestinal tract stays for a long time, it is easy to produce a lot of gas under the action of bacterial fermentation, you can properly massage the abdomen, can promote intestinal peristalsis, help exhaust defecation. When constipation is more serious, you can take oral laxative drugs, such as lactulose, compound aloe vera capsule and so on. 3. Gastrointestinal dysfunction: often accompanied by intestinal flora disorders, intestinal gas-producing bacteria dominant, gas production increased, you can use to regulate the intestinal flora of drugs, such as lactobacillus, bacillus subtilis and so on. There may also be factors of indigestion, you can follow the doctor’s instructions to use the compound digestive enzymes and other auxiliary treatment. If you feel a lump of gas in your stomach that runs away when you press it, you need to cooperate with your doctor to take medication if it is caused by a disease.