The Library of Heaven tells the story of Zhang Xuan crossing the plane and becoming a glorious teacher. There is a mysterious library in his mind. As long as everything he has seen, whether it is people or things, can automatically form a notebook and record the shortcomings of the other party, so he is very awesome! "Heaven emperor science, why don't you like to wear underwear? Tang Huang, can you pay attention to the image? " "Exquisite fairy, if you can't sleep at night, you can come to me. I am a good singer! " "And you, Master Gan Kun, can you eat less green onions and want to beat Lao Zi to death?" ……?

Zhang Xuan is not from this world. He is an ordinary librarian in a university in the world. Later, he crossed the plane and became a glorious teacher. He has a mysterious library in his heart. Yes, the strong is king, and the loser is kou. This is a story of inheriting, cultivating and pointing out the strongest cow force in the world.