Stomach bloating may be due to overeating, eating certain gas-producing foods, digestive diseases and other reasons. 1. Eating too much: too much food, water, drinks, snacks will make the stomach full, resulting in a feeling of bloating, is not conducive to health, should pay attention to diet moderation. 2. Eat a certain amount of gas-producing food: carbonated beverages such as cola, or sweet potatoes, soybeans and other gas-producing foods, can produce a certain amount of gas in the digestive tract, resulting in a feeling of bloating. 3. Digestive diseases: gastrointestinal tumors, constipation, intestinal obstruction, indigestion, intestinal dysfunction, dysbiosis, chronic enteritis, chronic hepatitis, liver cancer, etc. may appear the phenomenon of bloating. There may also be other reasons for stomach bloating, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.