Remanufacture engineering is a genecal name of technical methods of repairing or reconstructing for used manufactures. It is a new subject which could make huge economic benefits and agree with the sustainable development of our society. In the new century carrying out the development of remanufacture engineering and strengthening the management of remanufacture engineering are the most important two technological methods. In this paper, the concept and the research status are introduced. The management method of the remanufacturing is also presented.