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

目综述国内外航天辐射危害及防护剂进展,提出加强防护剂建议。

Study has shown that polysaccharase has significant function of radiation protection,which may be related to immunologic adjustment,protection of hemopoietic system,clearance of radical.

发现多种多糖有明显辐射损伤防护用,可能与免疫调节、保护造血系统、清除自由基等有关。

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、航天辐射损伤生物学效应以及航天辐射防护剂发展向等3个进行综合。