2. Gradually increase the intensity: At the beginning of fitness exercise, we should gradually increase the intensity, and don't exercise excessively from the beginning, so as not to cause excessive physical burden.
3. Pay attention to breathing: When doing fitness exercises, pay attention to breathing, maintain a normal breathing rhythm, and avoid physical discomfort caused by poor breathing.
4. Pay attention to diet: Pay attention to diet during exercise to ensure that you get enough nutrition to support your body's sports needs.
5. Adequate rest: After finishing the fitness exercise, you should give your body enough rest time to recover and repair.