This paper is a comparative study related to the project Volubilis "Moroccan and French students: comparative approach". Volubilis survey is a part of an integrated project between the University of Grenoble Alpes and Hassan II University of Casablanca. This research project aims at collecting data related to students consumption of addictive substances, who enroll in faculty of humanities, economy and sciences of the Universities of the Rhône Alpes region (Lyon and Grenoble) and Hassan II University of Casablanca (e.g. tobacco, alcohol, cannabis...). In order to conduct a comparative study and to come out with effective results. Our sample is made up of 350 students from Hassan II University in Casablanca and 1464 students from Rhône-Alpes universities their average age is 22 years old for both.