Thesis guidance theory refers to the theoretical system or methodology adopted in thesis research, which is used to guide and support the research process and the formation of research conclusions. When writing a thesis, the guiding theory usually includes the following aspects:

1. research paradigm: research paradigm is a basic theoretical framework, which is used to guide the presentation of research questions, the selection of research methods and the interpretation of research conclusions.

2. Research methods: Research methods refer to specific research methods and techniques, including questionnaire survey, experimental design and case analysis, which are used to obtain research data and analyze research results.

3. Research model: Research model is a kind of theoretical construction, which is used to explain research problems and predict research results, including economic model, sociological model and psychological model.

4. Theoretical framework: Theoretical framework is a comprehensive theoretical system, which is used to guide the raising of research questions, the selection of research methods and the interpretation of research conclusions, including Marxism, western modernization theory, post-modernism, etc.

The choice of guiding theory should consider the nature of research problems, the feasibility of research methods and the credibility of research conclusions. At the same time, the guiding theory should be scientific, reliable and applicable to support the in-depth and effective research of the paper.