Since the promotion of safety management system in construction industry, the performance of occupational safety and health is significantly improved. To further improve the performance, organization should not only maintain the safety management system, but also to strengthen the safety culture. To achieve this target, organization should understand the status of the safety culture and take action to improve the performance of unsatisfactory aspect. "Work Safety Culture Index" is the employees?view on the occupational safety and health affairs. It is one of the indicators reflecting the level of safety culture in the organization. This course would introduce a survey method to assess the Safety Culture Index in the organization by using a questionnaire and how to use the result to draw up an improvement plan to enhance the level of safety culture in the organization. The course is suitable for the management staff, safety officer and safety supervisor in construction industry.