From a medical point of view, it is not recommended to incarnate. If you are a healthy person who has the habit of cutting out grains, you can do so 3-4 times a year, but not for too long, at most 3-5 days. The main reason for this is that it is a way for human beings to maintain their health without eating grains and cereals in order to promote metabolism, increase body fat metabolism, reduce weight and prevent diseases. However, because the body’s daily caloric needs are mainly derived from grains and cereals, long-term frequent abstinence from grains and cereals can lead to a lack of nutrients in the body. In addition, women who are on their menstrual cycle can suffer from menstrual disorders that can lead to discomfort. Secondly, in the hot weather of summer, because the body’s metabolism will increase, the body’s need for heat will also increase, at this time to open up the body may appear metabolic disorders, such as dehydration, malnutrition, hypoglycemia, etc. Finally, the risk of hypoglycemia and dehydration may increase during the period of increased activity or exertion. In addition, it should be noted that people suffering from peptic ulcer, heart disease, and other diseases, as well as those who are physically weak, are not suitable for Purgatory to avoid triggering the onset of these diseases or aggravating them. Healthy people who have panic attacks and sweating during the period of restoration should promptly check their blood sugar and eat sugary foods. If you experience abdominal pain, diarrhea and other gastrointestinal symptoms, you should go to the emergency department of a hospital in a timely manner, and if necessary, end the restraining grains as soon as possible.