1. Data collection: First, doctors need to collect experimental data related to the research topic. This may include the patient's basic information, medical history, laboratory results, etc. It is very important to ensure the accuracy and completeness of data.

2. Data collation: Collate the collected data, including deleting duplicate data, filling in missing values and correcting errors. You can use spreadsheet software (such as MicrosoftExcel) or statistical software (such as SPSS) to organize data.

3. Data analysis: analyze the sorted data and answer research questions. According to the purpose of the study, choose appropriate statistical methods for analysis, such as descriptive statistics, t-test, analysis of variance, regression analysis, etc. Make sure to use the correct statistical methods and interpret the results correctly.

4. Presentation of results: Presenting the analysis results in the form of charts and tables, so that readers can better understand the research results. At the same time, the research results are explained and discussed, and the limitations and future research directions are pointed out.

5. Cite documents: Cite relevant documents in the paper to support research viewpoints and conclusions. Ensure the authority and reliability of the cited documents and follow the corresponding citation format (such as APA, MLA or Chicago).

6. Paper writing: Write the paper according to the structure and format requirements of SCI papers. It usually includes abstract, introduction, method, result, discussion and conclusion. In the process of writing, pay attention to keep the language concise and clear, and the logic is clear.

7. Revision and polishing of the paper: After the first draft is completed, it will be revised and polished many times to ensure the quality of the paper. You can consult your peers or tutors, or you can use professional paper revision services.

8. Submission and review: Contribute to the appropriate SCI journals, and modify and improve them according to the suggestions of editors and reviewers. In the whole process, keep a patient and positive attitude and improve the possibility of the thesis being accepted.