1. empirical research method: empirical research method is a practical, useful, definite and accurate knowledge research method to understand objective phenomena, and its focus is on what the phenomenon itself is.

2. Investigation method: Investigation method is carried out in the natural process, and materials reflecting research phenomena are collected through interviews, surveys, questionnaires and tests.

3. Case analysis: Case analysis refers to a training method that takes problems in practical work as cases and gives them to students for research and analysis, so as to cultivate their analytical ability, judgment ability, problem-solving ability and business execution ability.

4. Comparative analysis method and index comparison method: it is a method to evaluate a project by comparing the same data according to the mutual connection and development of objective things.

5. Thinking method: Thinking method, also known as thinking method and cognitive method, is an important tool for people to think correctly and express their thoughts accurately. The scientific thinking methods commonly used in scientific research include induction and deduction, analogical reasoning, abstract generalization, speculative imagination, analytical synthesis and so on.

6. Content analysis: Content analysis is a research method that objectively, systematically and quantitatively describes the content of communication. The process of content analysis is a layer-by-layer reasoning process.

7. Literature analysis: Literature analysis mainly refers to the method of collecting, identifying and sorting out literature, and forming a scientific understanding of facts through the study of literature.