As the book publishing work in 20 18 was concentrated in Publicity Department of the Communist Party of China, anecdotal news said that the country had reduced 654.38+10,000 ISBN. Under such a restrictive background, ISBN has once again become a scarce administrative resource and a dilemma that many publishers have to face. Since many publishing houses used up the book number of the whole year in June, the publication of new books can only wait until around March 2020, and problems such as difficulty in publishing books and finding professional publishing houses have occurred one after another. In the eyes of publishing masters. Com, the author (entrusting publishing house) should rationally treat the increase in publishing cost caused by the adjustment of national publishing policy, because it is a national policy and does not depend on the subjective will of individuals or institutions. Therefore, the after-sales service department has been specially set up by Publishing Master Network to better communicate and negotiate with the author (the entrusted publishing house) and properly resolve publishing disputes.