The objectives of this study were to examine and improve working posture according to the Ergonomic. The research from a study on the posture of the staff by using the video recording process. By the result of the assessment by means of Biomechanics and the result of the discomfort questionnaires were analyzed. After that we will design and improve the new correct posture working in Ergonomic principles. Then try in the factory. When I got a result and questionnaires. Therefore make a comparison and summary of the results and suggest the staff to exercise for relieve the discomfort of situation.