There are many things that can be done, which can be divided into several categories:

One, charging

1, learn a major or a skill, and deliberately practice to make yourself stronger.

2, reading, enhance knowledge and experience, especially the growth of wisdom.

3. Physical exercise, health is the greatest wealth.

4. Rest, health is the greatest wealth.

5. Accompany family and friends and enrich spiritual life.

Second, effective social interaction.

Participate in activities, find like-minded people to make friends, establish contacts, enhance friendship, cooperation or things.

Third, practice.

1, career exploration, trying to create your own or new career with your own knowledge and experience.

2. Participate in public welfare activities to understand and serve the society.

Of course, time is limited and it is impossible to cover everything, so nothing can be done well.

You need to choose according to your own conditions and external conditions.