A month. According to the relevant public information, the external review time of the master's thesis of Harbin Medical University is one month, and if the time is fast, it will be about two weeks. Harbin Medical University, referred to as "Harbin Medical University", is located in Harbin, Heilongjiang Province. It is the first batch of pilot seven-year higher medical education institutions of the Ministry of Education, the first batch of pilot seven-year higher medical education institutions of ministries and commissions, high-level universities and universities with superior disciplines in Heilongjiang Province, the Chinese lead unit of the Sino-Russian medical university alliance, the national basic scientific research and teaching talent training base and the Ministry of Education.