To observe the effects of Compound Liujunzi Decoction treatment of acute radioactive lung injury.Methods:The patients(n=60)were randomly divided into treatment group and control group(each n=30).The treatment group was treated with Compound Liujunzi Decoction and orally taken hormone.Patients in the control group were treated with only orally-taking hormone.Chest X-ray films or chest CT were taken before treatment，at 4th week and 8th week after treatment.The Karnofsky scoring，Watters scoring and symptom of traditional Chinese medicine scoring，grading of radiation therapy oncology group(RTOG)standard were observed and evaluated at each point when patients having the chest X-ray or chest CT.According to the clinical symptoms and imaging changes，curative effects were measured.Results:Compared with the control group，the karnofsky scoring，watters scoring and symptoms of traditional Chinese medicine scoring improved obviously(P<0.05)，and the treatment group show better relieving trend than that of the control group.Conclusion:Compound Liujunzi Decoction may effectively control the acute radioactive lung injury，relieve symptoms and improve the quality of life of patients.