组织再生是21世纪生物学和医学领域研究的重点和热点。在回顾再生医学研究历史的基础上，概要介绍了组织再生所涉及的关键科学问题、重大需求以及部分已经取得的重要进展，并对将来的发展进行了展望。

Tissue regeneration is the research focus in the fields of biology and medicine in 21 century. In this paper, some very important aspects dealing with the tissue repair and regeneration were reviewed, including its brief history, key scientific points and the advance in some very important fields. Also, our perspective about its development in the future was given.