Always bloating may be due to physiological factors such as improper diet, or due to pathological factors such as chronic gastritis, peptic ulcer, dyspepsia, gastric cancer and so on. 1. Physiological factors: when eating too much gas-producing food, such as sweet potatoes, beans, onions, etc., or cold, spicy and other stimulating food, or greasy and other difficult-to-digest food, it can increase the amount of gas produced in the gastrointestinal tract and lead to bloating. When there are bad behaviors such as eating into the wind, laughing while eating, talking loudly, overeating, etc., it can also lead to stomach bloating. 2. Pathological factors: when the patient has stomach diseases, such as chronic gastritis, peptic ulcer, dyspepsia, gastric cancer, etc., the patient’s gastric mucosa will have certain damage, resulting in impaired gastric digestion, absorption and emptying function, the food stays in the stomach for a long time, and the feeling of bloating occurs, and then the patient may also experience abdominal pain and bloating, nausea and vomiting, acid reflux, belching (hiccups) and other discomfort. If the patient has long-term or recurrent stomach bloating, it is recommended to consult a doctor in time to identify the cause of the disease and carry out targeted treatment to avoid delaying the condition.