Abstract: Objective To analyze the hearing monitoring results of physical checkup and influencing factors of noise-exposed workers in Rongchang District, Chongqing. 
Methods A total of 1 339 noise-exposed workers for hearing monitoring were selected for the study. All survey subjects underwent pure tone hearing threshold examination, and the factors that might affect hearing, such as gender and age, of patients were collected, to analyze the influencing factors of the hearing loss of noise-exposed workers in Rongchang District, Chongqing. 
Results Among 1 339 patients in this study, 583(43.54%) had hearing loss. There were significant differences between the hearing loss group and the non-hearing loss group with respect to gender, age, body mass index(BMI), length of service in noise work, educational level, wearing protective earplugs, smoking history, drinking history(P＜0.05). The results of multivariate Logistic regression analysis showed that male, age of 51-60 years, BMI≥25, length of service in noise work for 21-30 years, education level of junior middle school and below, no wearing protective earplugs, drinking history were the risk factors of hearing loss of noise-exposed workers in Rongchang District of Chongqing(P＜0.05). 
Conclusion The hearing loss of noise-exposed workers in Rongchang District of Chongqing is a prominent symptom. Gender, age, BMI, noise power, educational level, wearing protective earplugs, drinking history are the influencing factors of hearing loss of noise-exposed workers. Intervention of the above factors can protect the hearing of noise-exposed workers.

Key words: noise, occupational, hearing loss, influencing factor analysis