1. Lack of sense of responsibility: As students, they should be responsible for their own actions, but some college students lack a sense of responsibility, for example, throwing garbage at will, not obeying public health rules, and not understanding the difficulties and misfortunes of others.
2. Lack of social skills: College students should also establish contact and interaction with others, but some college students lack social skills, for example, they can't speak clearly in public, their walking posture is incorrect, and their facial expressions are incorrect.
3. Lack of self-control: College students should be able to control their emotions and behaviors, but some college students lack self-control, for example, chatting in public places, playing too many games and failing exams.
4. Lack of respect and courtesy: College students should treat others with respect and courtesy, but some college students lack such respect and courtesy, for example, failing to protect the privacy of others, posting inappropriate content on social media, and failing to stop others' behavior.
5. Lack of time management: College students should be able to manage their own time and tasks, but some college students lack this management, such as staying up late to review before exams, being late for club activities, forgetting to cancel appointments before appointments, and so on.
The above are the challenges that some college students may face, but it does not mean that all college students will encounter these problems. Every college student has his own unique life path and needs to learn to cope with different challenges and succeed in all aspects.