1. Correspondence is a teaching method that focuses on self-study, supplemented by centralized face-to-face instruction. Counseling projects include: counseling and answering questions, homework, experiments, internships, exams, curriculum design, graduation design and defense. Arrange centralized face-to-face lectures about three times a year 10 days or half a month.

2. The main links of correspondence teaching include self-study, face-to-face teaching, homework, answering and counseling, experiment, practice, assessment, graduation design and defense. Face-to-face teaching is a classroom teaching activity in which lecturers guide correspondence students to master teaching materials and learning methods in an all-round way.