Common agricultural policy, one of the first common policies made in EU, big consumer of resources and excellence internationalist, because the decision is no one of member states only in percent of aprox. 10% defined itself a complex system of rules and mechanisms that rules production, trade and factoring agricultural products grouped as common market organizations. For implementing common measures for market rules, are used following instruments: market intervention, financial help, production quota, common custom protection, treated distinct in the paper.