This paper explicated about the preponderance that inhered by the library in building harmonious society and the function that taken by the library in it , and put forward personal view point on how the library to take the function in building harmonious society .
Eco-agriculture has anciently existed in our country , such as the " sang ii fishpond " in the san jiao zhou of zhu jiang is an agricultural synthetic ecosystem , it was already inhered before the liberation .