Research direction refers to the specific fields or problems that researchers pay attention to in scientific research. When writing a research direction, you can generally refer to the following aspects:

1. research background: briefly describe the development history, present situation and existing problems of the research field, and explain the direction that needs further exploration.

2. Research purpose: to clarify the purpose and significance of the research, explain why we should study this issue, and the influence of the research results on academic circles and practical applications.

3. Research content: Elaborate the specific research content, including research topics, research objects, research methods, research steps and programs.

4. Research focus: emphasize the key problems and difficulties in the research, explain where the key points and difficulties are and how to solve these problems.

5. Expected research results: Make clear the expected research results, including theoretical contribution, practical value and academic influence.

In short, when writing the research direction, we should accurately describe the research object, methods, steps and expected results in combination with our own research interests and the characteristics of our own research fields, so as to be feasible, operable and achievable. At the same time, we should pay attention to the conciseness, clearness and clearness of the language, and avoid being too general and vague to attract the attention and understanding of others.