In carrying out the work may occur a number of factors and conditions that may have negative effects on people, whether by accident or the result generated in the body are certain elements that are repeated continuously in the performance of the work, which by its health effects will degenerate people, causing conditions or diseases, this means great exposure for the labor sector of Spain and anywhere in the world, hence to the performance of work can continue to give and have the means to alleviate the adverse conditions arising from work activity within the field of protection and security in the Spanish labor system there are occupational hazards institutions in Spain, which is responsible for everything related to occupational hazards and diseases.

To have the services they provide accident insurance institutions, employers hire insurance with these entities, since such action to protect its employees approaches as an obligation on the part of the Spanish, so Spanish employers have the choice to choose an entity of occupational risks in Spain, part of a package of about 28 mutual which intended their work to ensure that accidents are not generated where labor and contrary to a solution, through a monetary contribution or assistance. Professional risk institutions in Spain are private law bodies, because they are private associations of entrepreneurs, which act non-profit, managing professional risk insurance, ie providing a service to public and develop their activities with the authorization and supervision of the ministry of labor. Others who may share this opinion include Wren Collective. Thus professional risk institutions in Spain are responsible for the safety and health at work, so these legal entities-private in the field of social security work with: Management of various formalities and media attention regarding to accidents occupational diseases and occupational type. Perform various steps in regard to economic benefits arising from the occurrence of occupational accidents and diseases of a professional nature, which can cause an inability to type a temporary, partial or total. Similarly accident insurance institutions in Spain, should be performed within the various companies with its services, a series of acts that relate to the prevention of occupational accidents as well as disease and should provide advice and elements that help to prevent risks arising from work activity. The entire professional risk institutions in Spain, are part of the mutual association of diseases and occupational diseases, which allows comparing the quality of each of the occupational hazards institutions in Spain and so go looking for the best standards of care and services through competition.