Drinking coffee farts may be the reason why coffee stimulates the secretion of gastric acid, promote gastrointestinal peristalsis, which produces a large amount of gas, the gas discharged out of the body to produce farts. Farting is a normal physiological phenomenon, food into the intestinal tract, the normal intestinal flora decomposition can produce gas, gas with intestinal peristalsis out of the body, in the anal sphincter under the action of the sound. Coffee can stimulate the secretion of gastric acid, promote gastrointestinal peristalsis, so that the food in the intestinal bacteria under the action of decomposition, producing a large amount of gas, discharged out of the body, the phenomenon of farting. Because coffee stimulates the secretion of gastric acid, it is forbidden to drink coffee on an empty stomach, and patients with gastric ulcers should be more cautious about drinking it. Although farting is a normal phenomenon, but if there is an increase in farting or no fart, be alert to the possibility of gastrointestinal problems, then it is recommended to consult a doctor in a timely manner, with the help of a doctor to clarify the cause of the disease, and targeted treatment or therapy.