In recent years, according to the basic requirements of preparatory teaching, the relevant departments have organized and compiled preparatory teaching materials. Introducing competition mechanism and strengthening the management of ethnic preparatory students. It is required to organize teaching and examination in accordance with the teaching plan, syllabus and teaching materials promulgated by the State Education Commission. It is stipulated that students who fail in Chinese, mathematics and foreign languages in the final exam of preparatory students are not allowed to enter mainland universities; Students who fail in Chinese and mathematics in the civil examination are not allowed to study in mainland universities.