The present study seeks to develop and investigate the quality improvement indicators of the curriculum of vocational higher education in technical and vocational universities. The study employed the mixed methods research design. Two qualitative and quantitative research methods were employed for data collection. In the qualitative section, the population consisted of curriculum experts, faculty members of Iranian technical and vocational universities, and employers. In the quantitative section, the population consisted of all instructors in Shariaty Technical College in Tehran. The research data were collected through semi-structured interviewing technique and a researcher-made questionnaire. The results of qualitative research showed that in order to improve the quality of technical and vocational higher education curricula, solutions such as tailoring curricula to the professional needs of businesses, emphasizing professional standards and competencies, paying attention to focal competencies, link between employers and planners, content modulation, content applicability, work-based teaching, real-time teaching, science and practice integration, group-based and participatory teaching, performance-based assessment, student-based assessment of students' roles and tasks in learning groups, emphasis on practical work and team projects are effective on assessment. the quantitative section results indicate that the indicators obtained in the qualitative phase are valid and endorsed by the participants.