Tunisian left-wing parties have a long history. Since the founding of the Republic in 1957, Tunisian left-wing parties have undergone three stages of evolution, including the stage of one-party dictatorship period of the Socialist Destourian Party(1957-1981), the stage of left-wing parties suppressed by the dictatorship and fighting for their legal status and political participation rights(1981-2010), the stage of the traditional left-wing parties being weakening and the new emerging left-wing parties being developing rapidly(2011 till now...