Idle fish needs a publishing license to sell electronic review materials. At present, there are two kinds of online publication sales terminals in China, one is a large online shop, and the other is C2C represented by Taobao, where many merchants or individual sellers gather. However, due to the mixed quality of sellers, there have also been many cases in which sellers get into lawsuits for selling pirated books. On September 20 10, the General Administration of Press and Publication issued the draft of the Notice on Promoting the Healthy Development of Online Distribution of Publications, clearly stipulating that online sales of books, newspapers, periodicals, audio-visual products and electronic publications must obtain the Publication Business License and the Audio-visual Products Business License in advance.