Abstract: With the prolongation of space flight,influences of various aerospace environmental factors on the astronauts become more and more severe,while ultraviolet radiation is lacking.

• 摘要： 随着航天员在太空停留的时间逐渐延长，各种航天环境因素对航天员的影响更加显著，紫外线缺乏也成为一个重要因素。