Objective: To form a new assessment method to evaluate postural workload comprehensively analyzing the dynamic and static postural workload for workers during their work process to analyze the reliability and validity,and to study the relation between workers' postural workload and work-related musculoskeletal disorders( WMSDs). Methods: In the study,844 workers from electronic and railway vehicle manufacturing factories were selected as subjects investigated by using the China Musculoskeletal Questionnaire...