When entering the university, there will be many specialized courses and some public courses, so there will be many courses in one semester, which can't be compared with high school. Secondly, the university is over after learning a course, and there will be no contact and study in the future, so each course will not be repeated. As long as you pass the exam, you can leave this subject and go to the next one. So the schedule will be very full, and you will have your course tasks every semester, so many courses must be completed in a limited time. Moreover, there will be many specialized courses. In order to cultivate professional talents, universities need to pay attention to cultivating talents with strong professional skills, which is conducive to finding jobs in the future. Full classes are necessary and normal. Finally, there are many classes in the university, but in fact many classes are not very important public courses. At these times, you can arrange your time properly and do what you like according to your hobbies. During college, you can take part in more activities, meet more people, learn professional knowledge, and accumulate contacts that make you happy and useful.