Peeping into the valley is an ancient health preserving method for China people. Make sure that avoiding the valley is supplemented by guiding breathing and not eating, so as to increase the curative effect and improve the level.

Pigu means not to eat, which is called fasting abroad. It is a regimen in western society, which refers to natural therapy without eating grains. There are two kinds of fasting therapy: don't eat all food, eat some fruits and vegetables.

According to the interpretation of Ci Hai, the word Bigu is also called "Broken Valley" and "Juegu", which means not to eat whole grains. It is said to be a method of self-cultivation in ancient China. . . . Later, it was inherited by Taoism as one of the methods of "cultivating immortals" According to the religious dictionary, Bigu was originally a breathing regimen in ancient China, similar to breathing and breathing.