Background: An occupational hazard is a hazard experienced in the workplace, there are many occupational hazards may be include Physical hazard such as heat, cold, light, noise. Aim of this study was to assess occupational health hazards among workers in glass manufacture industries . Research design: A descriptive research design was used in this study. Setting: this study was conducted at two glass manufacture industries in Elnaser and Crystal Asfor industries at Benha city. Sample: systematic random sample was used to choose 25% of all worker in Elnaser and crystal Asfor industries. The total number of workers is 600 workers the samplel include 150 workers. Tools: Two tools were used, I): An interviewing questionnaire was used to assess A) sociodemographic characteristics of the workers . B) characteristic of work. C) health problems of the workers during last 6month . D) worker's knowledge regarding occupational hazards related their work. II): An observational checklist that includes A) It was concerned with assessment work environmental of two industries. B) Concerned with assessment of the workers' practices regarding wearing protective measure. Results: 54.7% of workers had satisfactory total practices score regarding prevention of occupational health hazards , 48.7% of studied workers had good total knowledge score regarding occupational health hazards and59.3% of studied workers had health problems. Conclusion: Shows that there was highly statistically significant relation between total practice level and their demographic characteristics as marital status, education level. Recommendations: Periodic check up of health status for workers for early detection of occupational hazards to monitor their health status and early case finding.