Introduction: Based on World Health Organization (WHO) incidence of musculoskeletal diseases is estimated to reach 60.4% of all occupational illness. Research conducted in the UK and Hongkong on nurses reported lower stage pain of 38% and 39% and some neck pain 34% and 31% respectively. Musculoskeletal disorders are basically complaints of pain in parts of our body that include muscles, joints, ligaments, skeletons, and nerves. Work posture is one of the factors that influence the increase in musculoskeletal disorders. The objective of the research is to identify correlation between posture at job with musculoskeletal disorders complaints in the emergency department among nurses. Methods: The Method of the research was a quantitative research using cross sectional methods with Spearmen Rho correlation statistic test and the sampling method used total sampling. The sample size in this study was 40 nurses in the Emergency Department. Data collection was conducted by using Nordic Body Maps questionnaire to assess Musculoskeletal Disorder and posture of job assessment was carried out by Rapid Entire Body Assessment (REBA). Results: The results from this study showed that half of respondents (50%) were 26-30 years old, more than half (67%) of respondents are male, more than half (60%) have very high risks due to posture of job, and more than half (55%) had heavy complaints. Conclusion: There was a correlation between job posture with musculoskeletal disorders.