Gas in the stomach and stomach pain are commonly caused by digestive system diseases, especially gastrointestinal diseases, and can also be affected by dietary factors, such as eating too fast, talking while eating or being in a windy environment, resulting in inhaling more air and causing flatulence. In addition, consuming more gas-producing foods, such as potatoes, onions and potatoes, are also prone to flatulence, and taking drugs such as digestive enzymes can effectively relieve the symptoms. If the symptoms are not relieved, it is necessary to consider whether there are other diseases: 1. lactose intolerance: after consuming dairy products, patients mainly show gastrointestinal symptoms such as abdominal distension, hyperintestinal sounds, intestinal colic, diarrhea, nausea, vomiting, etc. The severity of symptoms is related to the amount of dairy products consumed, and it is necessary to maintain a de-lactose diet, pay attention to hydration, and take some probiotics, such as Lactobacillus and Bifidobacterium, which can effectively relieve Lactose intolerance symptoms; 2, indigestion: due to gastrointestinal dysfunction, food retention in the gastrointestinal tract, resulting in poor fermentation, increased gas production, accompanied by abdominal pain, abdominal distension, can be relieved by physical methods of abdominal massage, hot compresses to relieve pain, can also follow medical advice to take some appropriate digestive, gastrointestinal power drugs, such as digestive enzyme preparations, domperidone, stomachic antibiotic tablets, etc., can relieve flatulence and reduce pain; 3. Intestinal spasm: cold in the abdomen can lead to intestinal spasm, making the stomach bloated with pain, can be relieved by massage, hot compresses, and at the same time can be combined with taking gas and stomach pain particles to move gas and relieve pain, oral belladonna tablets to relieve spasm; 4, acute gastroenteritis: often accompanied by nausea, vomiting, diarrhea, abdominal pain, flatulence and other symptoms, should drink more warm water to promote metabolism, into the liquid diet, proper rest, to ensure that the abdomen is warm, do not get cold, generally can be improved If there is no relief or the symptoms are serious, probiotics, gastrointestinal mucosa protectors and other drugs can be taken under the guidance of the doctor, along with anti-infection treatment; 5, intestinal obstruction: if the symptoms of abdominal pain and flatulence have been persistent, along with nausea, vomiting, no exhaustion and defecation, be highly alert to the presence of intestinal obstruction, should promptly go to the hospital, improve the relevant examination, actively search for the cause, and decide on conservative treatment according to the degree of obstruction or surgery according to the degree of obstruction.