The causes of gastric distension and chills mainly include dietary factors and gastrointestinal dysfunction, gastric ulcer and other disease factors. 1. Dietary factors: because patients like to eat cold, greasy food, such as watermelon, ice cream, smoothies, fatty meat, fried food, etc., resulting in gastrointestinal cold, cold abdomen, food is difficult to be digested and absorbed, resulting in gastric distension, cold. 2. Gastrointestinal dysfunction: Due to gastrointestinal dysfunction, food cannot be fully digested and absorbed and remains in the gastrointestinal tract. After fermentation and decomposition, a large amount of gas is produced, causing the patient to experience symptoms such as bloating and chills. 3. Gastric ulcer: due to excessive secretion of gastric acid, stimulation of the mucous membrane in the stomach to appear ulcer surface, resulting in spasm and contraction of the smooth muscle in the stomach, leading to stomach pain and bloating, chills and other symptoms. If the patient often occurs the above symptoms, it is recommended to go to the gastroenterology department of the hospital in a timely manner, improve gastroscopy, ultrasound and other tests, under the guidance of professional physicians to clarify the cause of the disease, and follow the doctor’s instructions to avoid delaying the condition.