daily life, we often see the computer work in wrong way principles of ergonomics, the following is fatigue, joint pain, back pain. Etc., which requires positioning in sitting work according to ergonomics help as follows The position of the computer Top of monitor at eye level or just below , Monitor roughly arm’s length away , Minimal bend at wrists , Back straight , Elbows close to body and adjustable swivel chair and during the breaks should be used periodically.