It can reduce our spending on books and save money. At the same time, the inheritance of old books can reduce the recycling and reprinting of books, thus reducing the consumption of social resources and protecting the environment.

The so-called second-hand books, as the name implies, are books that have been read and used. It is aimed at first-hand books, that is, new books. However, it must go through a process of exchange and transaction before it can be called a second-hand book. Books that have been privately owned or collected by individuals and read many times cannot be called second-hand books.

Since ancient times, especially in recent years, there is no shortage of second-hand books in the market. Because with the rapid development of book printing and publishing, the number of books published is increasing, and many books that can't be sold or the owners think are worthless have entered the market through various channels. Moreover, the market does have a considerable demand for it, especially the online second-hand book transaction has developed the fastest. With more and more users of WeChat, more and more enterprises and entrepreneurial teams buy and sell second-hand books through WeChat Mall.