The performance of certain work activities may have some implications for the health of people and their living conditions, to be generated as a result of the continued fulfillment of the work some kind of disease, so much so that in some cases it is possible that the performance of an activity related to employment resulting death of the person, by cases as diverse as stress, accidents, worsening of conditions of disease or disease development, all within compliance of work activity, so that different provisions laws related to employment law have developed the form of insurance against occupational risks, so that to cause an accident in which deteriorate the condition of a person in carrying out their duties or in the worst cases death arrives, there will be a financial basis, to meet hospital costs and remuneration of non-working days and compensation for death, loss or damage to any components that make it hard body completion of work activities and everyday life. No doubt this figure has great importance in the labor field, so in this article, a little over the definition of professional risk insurance and so people have an environment in which to inform such means as favorable to them. The first point should be mentioned that the definition of professional risk insurance, it makes regarding the individual right of workers, a right which is declared as mandatory for all employees assigned to companies, this is taken for disposal of legal mandate for in the definition of professional risk insurance, it deals with cases of accidents resulting from industrial activities, in addition to occupational diseases, and the employer is responsible for providing professional risk insurance to each and every one of its employees. Within the definition of professional risk insurance, it shows a very wide field of protection because of the people favored since this figure are protected: All workers, regardless of their work, whether physical or intellectual, or quality or nature of the enterprise and even enter domestic service employees and apprentices. Public officials in civil administration at various levels. Students who perform an activity that means a source of revenue for the campus to which they belong. Students will also be protected by their official study activities or conduct of professional practice have an accident. The self-employed and family character. In the case of students, the definition of professional risk insurance, refers to a link to a student's insurance, while in the case of employees assigned to companies or who are under conditions of subordination and are under the conditions of a contract work, will join an ARP or provident fund, which will supply the costs of occupational accidents or diseases the product of professional activity that deteriorate in whole or in part the activities of workers or their gravity caused the death..