This study is aimed at analyzing (1) the causes of Cidomo transportation in Mataram City experiencing marginalization and (2) exploring the implication of Cidomo marginalization in Mataram City. This research employed a descriptive qualitative method. In analyzing the data, the theory of hegemony, clause relation, and practical theory were utilized. The data were gained by the use of observation, interview, and document study. The result revealed that the marginalization of Cidomo in Mataram City occurs because the people of Mataram City nowadays prefer employing private vehicles rather than public transportation, especially Cidomo transportation. However, market traders and consumers usually utilize the Cidomo in this modern era. The marginalization form of Cidomo transportation in Mataram City is a stigma that the transportation service is getting worse over time. Even though the government has legislated several related regulations, the form of marginalization of Cidomo transportation in Mataram City has decreased over time. The implication of the marginalization of Cidomo transportation is for Cidomo coachmen, such as the productivity of Cidomo transportation coachmen who are weakening, the reduction of Cidomo transportation earnings, and the scarcity of the next generation who want to be Cidomo coachmen.