In this article it has been analyzed the nature and the essence of injury. There the are no unique opinion in legislation and doctrine of different states about the fact, whether injury is a vice of consent or not. That’s why throughout this article it is given a clear explanation that injury is a vice of consent and it is not a special basis to declare the relative nullity of a juridical act. The regulations relating to injury foreseen in the Civil Code allows on the disposition of the subjects of civil law, especially to the judge, a narrow possibility to understand the essence of injury and in practice it impedes to apply the norms according with their juridical purpose which were foreseen by the legislative. This article presents a large specter of view about the ways of applying injury.