People were aware of the connection between the quality of the job done and the person performing the job as early as in the ancient times and in the times of ancient Egypt. In the course of centuries prevention was favoured over the treatment of an injury or illness. Nowadays the healthcare for employees is regulated by numerous international as well as national rules of law, the most important international one for the observed field being the International Labour Organization Convention No. 161 ? Occupation health services Convention. Upon this international convention ratified in Czechoslovakia in February 1989, many rules of law dealing with the health protection of employees at their workplaces are specified in our legal order, the si...