Mathematics major mainly refers to applied mathematics, and so do basic courses, including probability, equation and statistics. Applied mathematics focuses on training researchers and teachers, which means you have two choices, one is blink mathematics, the other is to be a math teacher, the road is narrow and the employment prospects are not optimistic; Statistics is newly opened in recent years, and it has the widest employment in mathematics. It is a talent needed by all walks of life, and the employment prospects are getting better and better.