1. Head-back stretching: When sitting in a chair, first retract your chin, then try to raise your head and bite your teeth at the same time, so that the stretching feeling is more obvious.

2. Neck extension: Take a sitting posture, look straight at your eyes, slowly turn your head left to the finish line, stop 10 second after reaching the finish line, then slowly return to the center, rest for 3 seconds, then turn right, and repeat 15 times on both sides.

3. chin-closing exercise: sit with your hands on your thighs, look straight ahead, and then move your whole head backwards. Remember never to look up or down. Keep this posture for 10 second, then relax, rest for 20 seconds, and do it again, a total of 15 times.

4. Shrugging exercise: Sit with your shoulders up close to your ears, and relax after 10 seconds. * * * Do 10 times.

5. Side stretching: open your feet shoulder width, cross your fingers, straighten your hands up, palm to the left, bend your body to the left, keep your posture for 20 seconds, then change sides and do it 20 times on each side.