Physical health refers to infirmity in the employee’s health. Employee’s physical health and their work are correlated. There are three factors namely; mental breakdown, mental disturbances, and mental illness impair the mental health of employees. Stress is an unavoidable aspect of life. Workplace stress derives specifically from conditions in their workplace. This condition may either cause stress initially or aggravate the stress already present from other sources. Studies have pointed to the growth in non-standard work and other changing work patterns as contributing to a recent sharp increase in stress leads in the workplace. In organizations the ergonomic the concern is work stress, which in any action from an external source that affects the body. This creates a strain in the body resulting in some physiological response to the stress. Work stress due to unusual posture or improper postural adjustment to the work results in back pain, headaches, nervousness, aching muscles, excessive perspiration and depressions. The most serious result of work stress is serious traumatic injuries, accumulative injuries or death. Psychological factors that may cause stress are excessive heat, improper furniture (chairs, tables etc.), poor workplace, long work hours or any other type of situation in which individual performs his or her work in unusual situation or in a continuous manner. Ill health results in high rate of absenteeism and turnover, industrial discontent and indiscipline, poor performance and low productivity and more accidents. Besides, employee’s health also provides other benefits such as improved morale of employees, increased productivity of employees and also longer working period of an employee which, of course cannot be easily measured.