Cet article traite de l'utilisation de la convention collective en tant qu'outil d'intervention en matière de santé au travailThis study deals with the effectiveness of the collective agreement as a means of intervention in questions of occupational health.The first part of the study briefly situates the question of occupational health in historical and present perspectives. The possibility of inserting preventive measures in collective agreements is then treated, followed by the elaboration of research objectives.The potential impact of the collective agreement on occupational health is limited by several factors. Nevertheless, the successes registered through them seem significant to concrete action in the workplace, and have been repeate...