Abstract: Objective To systematically evaluate the relationship between occupational noise exposure and mental health in China. Methods Through searching the China National Knowledge Infrastructure（CNKI）,Weipu database,Wanfang data resource system,the relevant literature on the relationship between occupational noise exposure and mental health that had been publicly published in China were collected,the quality of the literature was screened and evaluated,and RevMan 5.4 software was used for statistical analysis. Results A total of 491 relevant articles were retrieved,and 11 articles were included after screening,with a literature inclusion rate of 2.24%.The statistical results showed that noise exposure could affect nine mental health indicators,including physical discomfort,obsessive-compulsive symptoms,sensitivity to interpersonal relationships,depressive symptoms,hostile emotions,anxiety symptoms,fear,paranoia,and psychotic symptoms.The main impact was manifested as physical discomfort,depressive symptoms,and anxiety symptoms.The standardized mean difference（SMD） after combining physical discomfort was 0.46,with a 95%CI of 0.35-0.57;the SMD after combining depressive symptoms was 0.47,with a 95%CI of 0.36-0.58;and the SMD after combining anxiety symptoms was 0.45,with a 95%CI of 0.38-0.52. Conclusion Occupational noise exposure may have a significant impact on workers' mental health,mainly manifested as depressive symptoms,anxiety symptoms,and physical discomfort.

Key words: Noise, Mental health, Symptom check-list 90, Meta analysis