Abstract : Brass flakes, dusts and fumes cause lung diseases are poised to become major health problem in brass sector. Cough, phlegm, chronic bronchitis and dyspnoea were significantly higher among brass workers. Therefore, this study is intended to explore the relation of socio-demographic and work related factors with respiratory health problems among brass industry workers in order to provide useful information for any possible brass flakes and gas control strategies. This was a cross sectional study aiming to assess the relation of socio-demographic characteristics and work related factors with respiratory health problems among workers of 10 brass industries of two villages, Kaissa para and Hindu para in Dhamrai upazilla, Dhaka, Bangladesh from 1st January 2017 to 31st December 2017. Total 124 sample was collected by convenient sampling technique. Among 113 respondents, 77% had been suffering respiratory health problems and rest of the participants 23% were healthy. About 9.7% were suffering from cough with phlegm for 3 months or more & rest of the respondents 90.3% were not suffering from cough with phlegm. About 96% were suffering from wheezing with shortness of breath, and 85% were not suffering from wheezing with shortness of breath. The policy makers and the factory owners should be concerned about the occupational health and safety problems of the workers specially the respiratory diseases due to brass flakes, dust and gas which would help to take necessary steps to overcome their respiratory problems