Doctor is a relatively high degree level, and the requirements for thesis writing are also very high. Word count and duplicate checking are much stricter than master.

The so-called original data refers to the original data or reports accumulated by graduate students (researchers) through experiments or investigations related to dissertation writing. It constitutes an important part of the paper or has important support for the research conclusion of the paper.

Doctoral students have been engaged in scientific research and writing dissertations for at least two years. Doctoral dissertations are the key symbols to comprehensively measure the quality and academic level of doctoral students, and should be independently completed by doctoral students under the guidance of tutors. Doctoral dissertations are generally not less than 50,000 words. The main body of doctoral thesis should be written in Chinese, and papers written in other languages can be copied. Doctoral dissertations should adhere to the principle of integrating theory with practice, make contributions to China's socialist construction, scientific and technological development or social development, and make creative achievements in science and special technology, which shows that the author has the ability to engage in scientific research independently and reflects that the author has mastered a solid and extensive basic theory and systematic and in-depth professional knowledge in this discipline. Doctoral thesis should be a systematic and complete academic thesis, recognized by experts, and reach the level of formal publication in important magazines at home and abroad. The paper requires clear concept, correct argument, rigorous analysis, true and reliable data, correct calculation, clear chart, clear hierarchy and concise text.