With the continuous release of China's policy dividends and the prosperity of the primary market in non-performing assets, the non-performing asset investment side has also become more active, the investment entities have become increasingly diversified, and the number of investors has increased rapidly. The investment end of non-performing assets as a whole shows the characteristics of lower market threshold, high openness, increasing the number of participants, etc. It has strong market flexibility and can adjust the surplus and deficiency of the primary market, thus making the whole market more efficient and orderly. 

Based on an in-depth study and research on the overall non-performing asset industry, Green Legal Global Alliance Research Institute and Beijing Docvit Law Firm jointly complied 2018 Blue Book of China's Non-Performing Assets with certain academic and public welfare, hoping to bring guidance to the industry and reflect the innovation of the non-performing asset industry itself.