1. Indoor Yoga: You can find a quiet place indoors and follow the yoga tutorial to improve your flexibility and balance.

2. Aerobics: By following the aerobics video for aerobic exercise, enhance the cardiopulmonary function and muscle strength.

3. Skipping rope: Skipping rope is a simple and effective aerobic exercise, which can be carried out at home to exercise the whole body muscles and improve the cardiopulmonary function.

4. Plate support: This is a systemic exercise method, which can enhance the strength of core muscles and upper limbs.

5. Indoor fitness equipment: If you have home fitness equipment, such as dumbbells and tensioners, you can carry out strength training to enhance muscle strength.

6. Dancing: You can exercise by dancing to improve coordination and flexibility. You can choose your favorite music and dance to the rhythm.

7. Indoor swimming: If you have a swimming pool or bathtub, you can do indoor swimming to improve your cardiopulmonary function and muscle strength.

8. Indoor weightlifting: If you have dumbbells or other weightlifting equipment, you can carry out weightlifting training to enhance muscle strength and bone density.

No matter which exercise mode you choose, you should pay attention to moderation and safety to avoid injury. At the same time, keep the room well ventilated and wear suitable sportswear and sports shoes.