A guide to the management of smoking cessation developed under the direction of the teachers of the psychiatric service Ibn Al Hassan of Fez.The purpose of this application is to provide a practitioners guide detailing the management of tobacco dependence and smoking cessation: From the positive diagnosis of DSM-5 dependence to the drugs available for withdrawal and their modalities of withdrawal. prescribing, by assessing the severity of dependence by the Fagerström test, the evaluation of quiescent motivation by QMAT and the evaluation of the severity of withdrawal syndrome by CWS-21.