If you are a freshman, the counselor will have a freshman QQ group before you report for duty. Just search directly, which is usually named after college classes. After joining the group, the administrators are all class teachers and counselors, and you can get their contact information.
It's easier if you are an old student. The quickest way is to find an academic Committee. He usually has the contact information of these teachers. If you really can't, ask the classmates. So many people will know and get contact information. If you have something urgent, you'd better call. If you are not in a hurry, you can contact WeChat or QQ.
Precautions:
Study hard to win the favor of teachers. Teachers usually appreciate students who study well, so you can also start from this aspect. You need to study hard and do your homework. If you are good enough, you will naturally get good grades and various honors, which will naturally attract the attention of the counselor and teacher, win his favor and help your get along.
Help counselors do more things they can. In fact, there are quite a lot of tasks for counselors and teachers in universities, not only to help students deal with problems, but also to cause tasks assigned by the school. Therefore, sometimes he may also need the help of his classmates. If you have time and ability, you might as well help him, which will definitely increase his goodwill towards you.