Focusing on the USA, the UK, Germany, and Japan, this study aimed to identify the characteristics of technical and vocational educational system in such countries to improve the vocational and technical educational system in Iran. This study was a comparative survey. Data were collected using documentary method and libraries research as well as surfing the related websites as UNESCO and Ministries of Education of the studied countries. The used pattern was George Brady. Based on the findings, improving the quality of educational system, building confidence, promoting the employment efficiency, entrepreneurship, and adopting with the international markets were the determined purpose of such countries in this very field. Developing a national qualifications framework, using an eclectic approach for teacher training, allocating more hours devoted for the internship. communicating teachers with companies, continuing corporation under the supervision of an expert, having evaluation by using a variety of different types (lasting, formative, continuous), considering the emotional factors, professional ethics, and grouping evaluation were highly noticed in these countries. Taking the successful models of developed countries into consideration and applying them in our vocational and technical educational system in our country would provide more occupational chances for graduate students.