Fibers are used for a large variety of applications. Textiles, nonwovens as well as fiber reinforced composite materials are commonly used in daily life and in technical applications. However, the increase of fiber can not suffice the demand of people. And fiber shortages have became a key problem. To face these challenges, recycling is considered as an effective way to fiber wastes. As a problem in environment, resource and constructing recycling society, fiber-recycling has been highly concerned in present Japanese society. This job has been actively pushed forward, whether in the government or in research institutes or in civilian organizations. This article studies current status and development trends of fiber-recycling in Japan in different angles. It provides reference not only on constructing full cycling model but also on further promoting the field of fiber-recycling research.