If you do not eat main food in the evening and only eat vegetables, you need to consider whether the nutritional intake of breakfast and lunch is balanced. In order to maintain the body’s nutritional balance, if breakfast and lunch are on time and reasonable, dinner is possible to eat only vegetables without eating the main food. Dinner is not easy to eat excessively greasy dishes, such as fish, meat, barbecue, etc., should be light, you can eat some green vegetables food, such as spinach, carrots, yams, potatoes, etc., containing high carbohydrates, conducive to gastrointestinal absorption, not easy to eat rice and starchy food. After dinner, it is recommended to exercise properly to help digestion. For people in the period of weight loss or suffering from high fat and high blood pressure, you can eat only green vegetables for dinner, and it is recommended that the other two meals are properly supplemented with protein. Ensure the nutrients required by the body. Insufficient daily intake of staple foods can lead to muscle weakness and even memory loss.