The purpose of students' fitness is to keep healthy, enhance physical strength and improve learning efficiency. Here are some suggestions:

1. Make a plan: First, students should make a clear fitness goal for themselves, such as losing weight, gaining muscle or improving physical fitness. Then, make a reasonable exercise plan according to the goal, including the number of exercises per week, the time and content of each exercise.

2. Choose the sport that suits you: Students should choose the sport they like, so that they can stick to it better. Common sports include running, swimming, basketball, football and yoga. You can try different sports and find the one that suits you best.

3. Maintain the regularity of exercise: Students should develop the habit of regular exercise, and it is best to exercise at a certain intensity every day. You can do morning exercises after getting up in the morning, or take a walk or jog after dinner. Avoid sedentary and get up and exercise every hour.

4. Pay attention to the quality of exercise: In the process of exercise, we should pay attention to the standardization of actions and the coordination of breathing to avoid sports injuries caused by wrong actions. In addition, we should ensure moderate exercise intensity and avoid overtraining.

5. Diet and rest: While exercising, students should pay attention to maintaining good eating habits and ensuring adequate nutrition intake. At the same time, we should ensure adequate sleep, so that the body can get adequate rest and recovery.

6. Monitor progress: Students should regularly record their exercise situation, such as exercise time and intensity, so as to know their progress and adjust their exercise plan.

7. Keep a positive attitude: Fitness is a long-term process, and students may encounter setbacks and difficulties during exercise. Keep a positive attitude, believe that you can achieve your goals, and don't give up easily. You can invite friends to exercise together and encourage and supervise each other.