High school mathematics textbooks test the comprehensive quality of middle schools, the knowledge and ability of middle school education, and the knowledge and teaching ability of high school mathematics. "Comprehensive Quality of Middle School" and "Knowledge and Ability of Middle School Education" are unified examination subjects for high school teachers' qualification certificate. Different subjects have different test contents on subject knowledge and teaching ability, while the mathematics teacher qualification certificate mainly tests mathematics knowledge and teaching ability. Senior high school mathematics teachers have higher requirements for candidates' professional knowledge, and senior high school mathematics is a difficult and key subject. Effective teaching can have an effect on students, so teachers need to have enough knowledge to give students knowledge. High school teacher qualification certificate is more difficult to test. Candidates need to work hard if they want to pass the exam smoothly.