The title of university teachers is the title of university teachers, which is divided into four levels: teaching assistant, lecturer, associate professor and professor. Among them, the main task of teaching assistants is to assist teaching. A lecturer is a university teacher who can offer one or more courses independently. In principle, associate professors not only have the ability to start classes, but also have a full understanding of the overall situation of the subject, can preside over research projects by themselves, and can constantly open the latest research into new courses in the form of academic discussions. Professors are the main body in universities, and the leadership work in universities is undertaken by professors.

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Professors' job is to teach courses in the fields they are good at, or to give students professional training, such as science and literature. In addition, professors must deepen their professional disciplines, get business cooperation opportunities through publishing papers, and train their students to have enough ability to compete with them in the future. In the four directions of teaching, training, submitting papers and seeking business cooperation, we must rely on the additional factors such as school, place (country) and time to achieve a balance. For example, top universities in Europe and America attach great importance to professors who specialize in a single field and often regard them as the focus of publicity.