Patients who feel their stomach shrink need to consider the following aspects: 1. Recently, the amount of food is reduced at every meal, and after experiencing a period of time, the stomach tissue will be elastic and retracted, and the patient will feel full faster compared to before. moderate diet is a very healthy lifestyle and helps to avoid diseases such as obesity. 2. consider having stomach diseases, most commonly occupying diseases such as malignant tumors In the case of malignant tumors, the late swelling blocks the food from running downward, while the volume of the stomach cavity decreases, making it easy to feel full after eating, and not feeling hungry until the next meal comes. When stomach discomfort occurs, endoscopy must be performed in the gastroenterology department, which can clearly observe whether there are lesions in the gastric mucosa and whether there are malignant tumors in the stomach.