Long has been establishing a relationship between alcohol and violence, however there has been no unanimous agreement as to the cause and justification.

This paper aims to review all the theories that have supported this relationship including the neurobiological mechanisms, as well as several studies indicating the importance of alcohol to violence, gender violence, among youths, couple or with the elderly.

At the same time bring the vision that has on the issue among FARE self-help groups in Spain, and the results and performance of a specific to abuse police group in the city of Valencia and where we analyze the substances consumption.

We ended the article with several protocols aimed to reduce the incidence of problem and a different proposals that include legal, social and rehabilitative solutions.