The site of stomach pain is usually over it, some will be to the left and a few to the right. The site of stomach pain is mainly in the heart fossa, and sometimes it is only discomfort or vague pain in the upper abdomen. The more typical pain is pain without regularity and without relief even after eating. The specific symptoms of stomach pain are as follows: First, pain. It is one of the most common symptoms of gastric disease. There are many causes and complex manifestations of hidden pain, and the causes include cold, exposure to cold, poor diet, etc. The manifestations include hidden pain, stabbing pain and colic. Secondly, abdominal distension, which is also a common symptom of stomach disease. If the spleen and stomach fail to transport and transform, or are obstructed by cold, or other factors, it will lead to gas in the stomach can not be discharged properly in time, thus leading to abdominal distension. Third, indigestion. For various reasons, the stomach cannot digest food properly or the stomach peristalsis is too slow, which can lead to abdominal distension.