Conflicts have become inevitable as a result of people’s increasing socialization opportunities today. A procedure to reach a mutual agreement before a lawsuit has been introduced to the Turkish judicial system both to ensure procedural economy and to prevent intense file complexity in the courts. This is called mediation. Mediation process should be managed by an expert mediator. This process will begin with the application of the party. With this procedure, although it is aimed to reduce the intensity of files in the courts, it is seen that there is confusion in the society and the legal community about which case will be within the scope of mediation by those who want to file a lawsuit. However, mediation in the labor law has become a necessity, not an alternative. Especially the settlement of disputes between employee and employer became effective procedure with mandatory mediation but this issue is criticized by many people. This process had begun after the Labor Courts Act with no 7036 had entered into force. The mediation process which was facultative before the act came into force has been made mandatory for resolving certain problems arising from labor law. In this paper mediation, why mediation is mandatory in labor law and its importance will be discu