Grasp several points: first, let the other party confirm your understanding and love for this position; Second, explain that you have the characteristics of being engaged in and can do it well; Third, give short and concrete examples that can confirm the above viewpoints.
example
Good afternoon, interviewers! I am xXX who applied for XX position. As you can see in my resume, my basic information is … As for the position I want to apply for today, my understanding is that I am mainly engaged in …
This position is very challenging for me, and I think I also have my own conditions for this position. During my college/internship/family experience/other related experiences, I did ...
I'm doing well, that's why I'm here. So much for my self-introduction. Next, I will give you my precious time. Please ask the interviewer questions. Thank you!