Abstract: Combined radiation injury mainly occurs in nuclear accident, nuclear explosion, depleted uranium weapon and nuclear terrorist attacks. Because of the resulted heavy injury, rapid deterioration, andhardship to diagnose and treatment, it has become one of the most challenging medical problems. In this study, we evaluated the change in hematopoietic system,immune system and the effect of wound care of combined radiation injury, to explore the biological effect mechanism and seek effective treatment strategies.

Key words: Radiation injury, Combined radiation injury, Biological effects