5000 words Tsinghua University requires that the number of words in the opening report of master's thesis should be no less than 5000 words, mainly to ensure that graduate students can fully think and analyze the research topic and clearly express their research ideas and methods. Requiring graduate students to write an opening report of not less than 5000 words can help graduate students improve their academic writing ability, exercise their thinking and expression ability, and also reflect their understanding and mastery of research topics.