Stocks, titles, loan estimates and grants make the payment of Public Lending Right, plus with the hybrid system of estimates mentioned. PLR is growing but more complicated than ever. Nevertheless, some of the reasons for convincing people of realizing PLR are controversial. To be sure, the PLR-related issues are full of the academic value. While government, library, author, reader, and bookshop working together with a rational correlation, PLR certainly becomes harmonious and be a well-designed policy. The case of the UK PLR has been introduced and given a meaningful thinking to us. The positive attitudes of library toward PLR system and the emphasis on the relationship between publishing market and library are of importance. Non-book material and digital information are also the future of PLR implement. Taiwan's PLR system and payment, if to be employed, should simply begin with and be recognized as a culture policy to evade the difficulties of immediately revising the copyright or other national policies.