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

目的综述国内外航天害及防护剂研究的进展,提出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.

资料综人航天害、航天损伤的生物学效应以及航天防护剂研究发展方向等3个方面进行综。