1. Exercise: Exercise is a simple and effective way to improve energy level. Choose a sport you like, such as walking, jogging, yoga or fitness, and stick to it several times a week.

2. Healthy diet: Choose foods rich in protein, fiber and healthy fat. Avoid too much processed food and sugar, and try to eat fresh and diverse ingredients.

3. Adequate sleep: Ensuring adequate sleep every night is very important for physical and mental health.

4. Actively socialize: Building good social relationships with others can make you feel happier and more energetic.

5. Challenge yourself: Try something new, or pursue what you have always wanted to achieve. This kind of challenge can make you feel more motivated and energetic.

6. Learn new skills: Learning new skills or knowledge can stimulate your curiosity and enthusiasm, and at the same time make you feel more motivated and energetic.

7. Stay optimistic: Keeping a positive and optimistic attitude can help you cope with challenges and pressures better and make you feel happier and more energetic.

8. Gratitude: Be grateful for everything you have, including family, friends, health, wealth and so on. This grateful attitude can make you feel more satisfied and happy, and at the same time, it can also make you face life more positively.

These methods are effective through personal tests. You can choose a few of them to practice according to your own situation and interests. Stick to it and I believe you will see obvious changes.