A Meta-Analysis of Mental Health of Pilots during the Past Decade Deng Lifang (Institute of Psychology and behavior，Beihang University, Beijing 100191) Abstract Although the mental health status of the Chinese Pilots has been highlighted by many researchers, the results of these researches are contradictory. There are different control standards about the mental health status of Pilots and different control standards may come to different conclusions, resulting in lack of comparability among different research. What’s more, as the years goes by and with the development of society, the mental health status of Pilots of the different periods are different. Thus, their mental health status remains unclear. So this article aims to investigate the mental health status of the Chinese Pilots during the past decade, which includes two aspects. One is that, as time going on, what happened to the mental health state of Chinese Pilots? The other is that compared with the general adult norm, what about psychological health state of Chinese pilots and are there any differences in it among different types of pilots? In this study, 20 literatures pertaining to the mental health status of the Chinese Pilots were used, and 5070 Pilots in China were surveyed. All the literatures researching the mental health of pilots during the 2001 to 2010 had used the Symptom Checklist 90 (SCL-90) as a judgment test tool. We analyzed the literatures by the way of Meta-analysis and cross-temporal meta-analysis. The results showed that (1) The SCL-90 scores of the Chinese pilots increased in 2000-2001. During 2001 to 2009, The SCL-90 date showed a U-shaped curve, the lowest scores in 2005 and reached a peak in 2009. The scores of the factors anxiety, interpersonal, sensitivity, depression and fear have changed remarkably during the 10 years. (2) The mean effect size of all the factors in The SCL-90 concentrated between-0.27-0.46. Further, the factors of somatization, depression, anxiety and horrorare had no significant different with the general adult norm and the other five factors had significant different with the general adult norm and the scores of the other five factors are obviously lower than the norm. (3) The correlation analysis results between different pilot types (Civil aviation and military pilots) and the factors of the SCL-90 showed that the Civil aviation pilots’ mental health level is lower than the military pilots, but the difference did not reach significant level （0.069<0.288，P>0.05）。 Therefore, to enhance the pilots’ mental health education, to improve the ability of adaption and international cooperation is imminent. In addition, the management should give pilots the appropriate decompression as soon as possible and based on the findings to establish the relevant supporting measures to ensure flight safety and improve their treatment. Key words Pilot, SCL-90, Meta-analysis, cross-temporal meta-analysis