In this report, I would like to talk about the efforts of the polymer recycle in Japan which has been made and is being performed by Japanese polymer industry (synthetic fiber producers and plastics producers). After the War, Japan succeeded in the great economical growth by rapid development of industry. However, it also brought about environmental pollution of air and water. Around 1970, the regulation of air and water started, and due to the efforts of municipal governments and industrial companies, the situation of air and water pollution has been greatly improved. However, there still remains a big problem, that is, the pollution of environment by waste disposal