As an ancient health preserving technique, Bigu is integrated with the life wisdom of Taoism, and its theory is more complicated and perfect. Bigu is a dietotherapy method with a long history and amazing curative effect. Bigu can correctly use the body's energy conversion mechanism, so that your body can consume stored fat and eliminate toxins.
Fasting therapy is based on western culture, considering nutrition, vitamins and so on. Pigou, on the other hand, is based on the traditional culture of China and pays attention to the harmony between man and nature.
There are no strict rules for resuming eating, because it is a natural process to enter the eating state. One day you feel hungry and your gastrointestinal peristalsis is accelerated, and you can't get rid of hunger through persuasion, so you should stop eating naturally, but don't eat too much for the first two or three days.
Fasting attaches great importance to the process of re-eating, and believes that re-eating determines the efficacy of fasting. If it is not handled properly, it will damage the body and even endanger life.
To sum up, many people think that crossing the valley will do harm to the body. In fact, crossing the valley is confused with fasting in the ordinary sense, which will do some harm to the body. However, crossing the valley, as an ancient health preservation method, can greatly adjust and improve the body and mind if it is done correctly.