The following answers are suggestions based on the metabolic schedule of various organs of the human body: during the period of small intestine activity from 7: 00 to 9: 00, breakfast should be eaten, which is the period when the small intestine absorbs a lot of nutrients. The patient had better eat at 7 o'clock; It is best for health preserving people to have breakfast before 7: 30; People who skip breakfast should change their eating habits; In order to protect the liver, it is best not to drink alcohol at this time. ? 12: 00 to 13: 00, organ mobilization. 12 is basically the last sprint stage of morning work. At this time, the whole body organs are mobilized under the action of the human biological clock. At this time, it is best not to have lunch right away, and it is best to postpone the meal time to about 1 in the afternoon. 13: 00 ~ 14: 00 The second low tide stage of human body,