Between a month and two months. According to official website, who inquired about the review of the master's thesis of Harbin Institute of Technology, the detailed review of the thesis refers to the external review of the thesis. The detailed review of the master's thesis of Harbin Institute of Technology is generally sent to the review experts of other schools for review, and the time period is about one to two months. Detailed review is a detailed review of the content and format of the paper.