International exhibitions, as one of introduction channels of produced goods can play an effective role in the process of non-oil exportation development. The objective of this paper is to distinguish the effective factors on success of the international exportation exhibitions. First, considering the literature review and gathering experts' opinions using of an expert questionnaire, affective variables were determined. After gathering 300 questionnaires from statistical population, data was analyzed by factor analysis by use of varimax method. Based on output of this analysis, and with attention of the obtained Eigen values, the priority of the effective factors on success of the international exportation exhibitions in Iran was distinguished: 1) attention to exhibition management, and professional and expertise advertisements, 2) transparency for participants, supportive system, and the necessity of regard to goods presentation and business principals, 3) attention to conditions of society and cooperation of participants involved in exhibitions, and 4) attention to time and location of exhibition.