What is a valley? Begging for the valley is to practice at a certain stage, so you don't have to eat or drink, and you won't feel hungry. Why? Because I have profound magic power, I can get the energy and material I need from the air, and I can also absorb the essence of the sun and the moon.

Of course, such a profound realm is beyond the reach of monks in our practice period, so we need to finish Gu Erdan. In my opinion, Bigudan is a kind of high-energy compressed biscuit, which contains enough energy for us to persist for a long time, in order to prevent us from being unable to break through or even being possessed because we have no place to eat or stop practicing halfway.

So, what are the benefits of breaking the valley? It can be said that there are basically no impurities and toxic substances, which can make your body better and achieve the effect of detoxification and beauty.

After the explanation, maybe we are looking forward to the mode of cultivating immortals, but this is not achieved by our current technology. If you want to stay healthy, I can only say "if you don't die, you won't die"!

In my opinion, even if there is Dan Pigu for you to eat, as a mortal, if you are a master of Taoism, you are at best a poor fitness monk. A Dan Pigu is enough for you to die, so what about health? Let's take this for example. When we were young, we often heard such a story. If we give you a compressed biscuit, don't eat it right away, or it will swell to death. Although the compressed biscuit in our hand is a small piece, we can't eat it all at once, because a small piece can cover the whole day's meal. Of course, this is just a joke, but it shows that even if there is Bigutan, it is not something we can afford.

In addition, let's talk about the real mode of not eating. Maybe I think it's just a peerless weight loss. The human body works all the time and consumes energy all the time. If you don't eat, what can you make up for it? Breaking the valley is to supplement it with the energy of air, sun and moon. I said, don't be silly. The contact and absorption process between so many human organs and food can't absorb too much energy in food. So you, a low-ranking monk, can absorb little energy from the outside world through your pores?

Finally, explain scientifically. Maybe some people think that people can absorb the material energy in the land and air like plants, so can we. At this time, it reminds me of transgenic chlorophyll to cattle in junior high school, so that cattle do not have to eat grass. In fact, the moisture in the air is only a few tenths of a percent. Even if you can absorb the moisture in the air, it is not enough for the human body. The human body also has limitations in material transformation. If you can really change your body function greatly, then you will really soar to the sky.