Main functions of investigation methods

1, providing researchers with first-hand information and data on established research topics, exposing problems and contradictions in reality, and promoting development by constantly solving various internal and external contradictions.

2. Provide factual basis for each department to formulate policies, rules and reforms, and serve for management and education forecasting at different levels and with different needs.

3, understand the status quo of research problems, find new research topics, advanced experience or existing problems, and put forward new ideas and theories to solve the problem.