Bidependence represents a double dependence: to substances and people. It could be defined as an emotional dependence superimposed on another primary addiction. It affects more women and has a high morbidity, up to 70 % of addicts with partner may submit. In addition, it is the first factor of risk for relapse because it persists after forwarder addiction, hence the crucial importance of treatment parallel to the purely addictive. Some therapeutic keys are consigned: 1) from appropriat