What is the job of a university teaching assistant?

University teaching assistants are the lowest rank of university teachers' titles, and they are the junior titles of university teachers and teachers lower than lecturers. In principle, they can't teach alone, or they can't teach all the courses of a subject. They should follow the lecturer or professor to revise their homework and assist them in teaching.

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.