The graduation thesis of Chongqing Jiaotong University will check the data of the original questionnaire. Ensure the authenticity and reliability of paper data. When studying graduation thesis, it is often necessary to collect a large amount of data, and questionnaire survey is one of the commonly used data collection methods. Therefore, the graduation thesis uses the data of questionnaire survey, and it is necessary to provide the original questionnaire data for the review experts to check and review.