Two to three years. According to the information from official website of East China University of Political Science and Law, in-service postgraduate students of East China University of Political Science and Law have a master's degree in finance, a master's degree in management, a master's degree in law, a master's degree in social work and a master's degree in translation for you to choose from. Part-time postgraduate enrollment mode is 2-3 years. During school, students can take part in courses in their spare time, complete the required credits, and complete the writing and defense of papers as required, so as to graduate smoothly and get awards from institutions.