Although grains and cereals are good, but not everyone is suitable to eat. People with digestive problems, poor gastrointestinal function, kidney disease patients, gout patients, the elderly, children, etc. should be careful to eat: 1, people with poor digestion grains and cereals are coarse fiber food, people with poor digestion will cause indigestion after eating. 2, people who have just had surgery exhaust function is poor, not suitable for consumption, easy to cause flatulence beans. 3, kidney disease patients Kidney disease patients have a lower power of absorption of nutrients such as protein, therefore, intake should be meat, fish, eggs and other animal protein. In addition, grains and cereals have a high content of potassium and phosphorus, which is more difficult to tolerate in patients with kidney disease. 4, gout patients Gout patients in the daily diet, should limit the intake of purine, and beans have a high purine content, which can easily lead to increased uric acid, so it is not suitable for gout patients. 5, the elderly, children In the consumption should pay attention to the amount of control. If excessive consumption of grains and cereals, the intake of other foods will naturally be reduced, which in the long run will easily lead to malnutrition. In addition, the daily diet should pay attention to a balanced mix of various foods, not just intake of a few foods. For grains and cereals, you can eat once a day in moderation.