In a narrow sense, it refers to the course of advanced mathematics. His contents generally include: unary calculus, multivariate calculus, series theory, ordinary differential equations and spatial analytic geometry. Different majors have different requirements and different contents.

In a broad sense, it refers to all public courses related to mathematics for non-mathematics majors in universities, including advanced mathematics, linear algebra, probability theory and mathematical statistics, complex variable function and integral transformation, operational research and so on. Different majors have different requirements.