Objective To summarize the radiation hazards to crew of space flight and advancement in research of radioprotector.

目的综述国内外航辐射危害及防护剂研究的进展,提出加强防护剂研究的建议。

Literature synthesis This paper was summarized in 3 aspects: radiation risk in manned space flight, biological effect of space radiation injury and trend of research on radioprotector.

资料综合就载人航辐射危害、航辐射损伤的生物学效应以及航辐射防护剂研究发展方向等3个方面进行综合。