The research background of graduation thesis refers to combing and expounding the preliminary background and theoretical knowledge of the research topic, so as to better guide readers to understand and understand the importance and necessity of the research problem.

It usually includes the source of research questions, relevant theoretical research results, domestic and foreign research status and shortcomings. When writing, we should pay attention to the critical analysis of predecessors' research, not only affirm the achievements of predecessors' research, but also clearly explain the cracking direction and innovation of our own research to highlight the significance and contribution of the research.

In addition, relevant cases or examples can be introduced to vividly illustrate the practical significance and application value of the research topic.

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