1.？ Interest and enthusiasm for the target major: explain your interest and enthusiasm for the target major, show your knowledge and understanding of the major, and show that you have enough enthusiasm and motivation to learn and develop.
2.？ Inadaptability to the original major: explain the problems and difficulties you encountered in the original major, such as the learning content is not suitable for your own interests, the difficulty of the course is too large or too small, it is inconsistent with your career plan, and its impact on your future development.
3.？ The help of target major to personal career planning: explain that target major can help your career planning and development, such as providing better employment prospects and better career development opportunities.
4.？ Existing relevant abilities and experience: Explain that you have the relevant abilities and experience required by the target major, such as academic performance, internship experience and self-taught experience, so as to prove that you have the ability to adapt to the learning and development of the target major.
5.？ Future study and development planning: explain that you have clear plans and goals for the study and development of the target major, and how to realize your personal career planning through this major.