If you don't eat dinner for a long time, it will lead to irregular diet, disorder of blood sugar metabolism, dyspepsia, gastrointestinal dysfunction, digestive tract ulcer, gastric cancer and other diseases. It is suggested that dinner should be reasonable in diet, varied in variety, moderate in calorie intake and light. Pay attention to choose foods that are low in fat and easy to digest, chew slowly and have a light taste, and it is appropriate to be full in seven or eight minutes.