1. academic performance: college students should put their studies first, study hard and acquire knowledge and skills. They should complete the course requirements, achieve excellent results, master professional knowledge and grow in the academic field.

2. Self-development: College students need to work hard to develop their personal abilities and interests. They can actively participate in societies, clubs or volunteer activities to cultivate leadership, team spirit and social skills. At the same time, they can broaden their horizons and experience by participating in internships, extracurricular courses or research projects.

3. Career planning: College students should start thinking and planning their own career development. They can participate in career counseling activities, internships or practices, explore their interests and potentials, and set short-term and long-term career goals. They can find a tutor or refer to employment resources to prepare for future employment.

4. Personal growth: College students should also strive to achieve personal growth and self-management at this stage. This includes developing healthy living habits, self-management ability and problem-solving ability. They should learn to balance their study and personal life, pay attention to their physical and mental health, and cultivate a positive attitude and adaptability.

Please note that the most important task of college students can vary according to individual circumstances. Everyone has their own goals and priorities, so the task may be different. It is important that college students should be clear about their goals, strive to pursue and maintain a positive attitude.