After drinking alcohol, stomach distension and indigestion are firstly considered to be related to drinking alcohol, and secondly considered to be related to the existence of gastric diseases, such as gastritis, gastric ulcer, etc. If eating greasy and stimulating food at the same time, it can also lead to stomach distension and indigestion. 1. Alcohol consumption factor: alcohol can directly damage the gastric mucosa, aggravate the damage to the gastric mucosa, leading to gastric distension. 2. Disease factors: If you have gastritis, gastric ulcer and other diseases, drinking alcohol can lead to acid reflux, stomach pain, stomach bloating, early satiety and other symptoms. 3. Diet: Eating greasy and irritating food while drinking alcohol can also lead to bloating, fullness and other indigestion symptoms. If the symptoms of bloating persist after drinking alcohol, it is recommended to consult a doctor in time to clarify the cause.