1. Understand the policies and requirements of the self-study exam: First of all, you need to understand the relevant policies and requirements of the self-study exam, including registration time, exam subjects, exam time and so on. You can get this information through official website of Nanjing University or consult relevant departments.

2. Determine the major to apply for: according to your own interests and career planning, choose the major that suits you. Nanjing University offers a number of undergraduate majors to choose from. You can choose according to your interests and abilities.

3. Study plan and preparation materials: Make a reasonable study plan, arrange the daily study time reasonably, and prepare relevant preparation materials. You can refer to the teaching materials and counseling materials of Nanjing University, and you can also participate in some self-taught training courses to improve the learning effect.

4. Registration and payment: complete the registration and payment procedures within the specified time. Registration and payment can be made through the official website of Nanjing University or the designated registration point.

5. Study and review: Conduct systematic study and review according to the study plan. You can combine teaching materials, counseling materials and problem sets to study, and at the same time, you can conduct some mock exams to test your learning effect.

6. Prepare for the exam: make full preparations before the exam, including reviewing key knowledge points, doing mock test questions and sorting out notes. At the same time, we should be familiar with the examination rules and examination room discipline to ensure that we can take the examination smoothly.

7. Post-test application and defense: Complete the post-test application and defense according to the requirements of Nanjing University. This may include submitting papers and attending interviews.