1, academic obstruction: Failure in the course will lead to academic obstruction, which may affect students' learning progress and prolong graduation time.

2. No credits: Failing the course will not be able to get credits for the corresponding course, which will affect students' academic performance and grade points, and may further affect the application for scholarships, postgraduate study and entering a higher stage of study.

3. Need to retake the exam, wasting time and money: If the failed subject is a compulsory course, students need to retake the exam next semester, wasting time and money.

4. Causing stress and anxiety: Repetition may cause stress and anxiety to students, and their mental health will be affected.