Second, first of all, we should pay attention to politeness and choose the right words.
Third, find the point that matches the teacher's direction and explain in detail why you like the teacher's direction.
Fourth, talk about your own advantages, that is, your own advantages, and give some examples.
Fifth, make your resume perfect, and highlight your own projects (if there is no big homework to write) or awards for scientific research ability (needed by the Master's Association).
Sixth, read the teacher's papers in the last three years carefully and understand the frontier problems that the teacher is studying. You can write down what you have learned from them.