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辐射危害及护剂研究的进展,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.

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