Stand with your feet apart, about shoulder-width apart, lift both shoulders as far as possible, pause for a moment, and drop your shoulders suddenly. Do 8 times. 1, behind the lifting arm movement Two arms crossed and straight in the back, then force up, as if with shoulder blades on the root of the head, hold two or three seconds, two arms fell down, like to hit the waist (the actual can also hit). Do 2 to 3 times. 2, forked hands forward movement bend elbows, crossed fingers in front of the chest, two hands swiftly forward, while quickly bowing forward, so that the head is sandwiched between the straightened two small arms. Do it 5 to 10 times. 3. Cross your fingers in front of your chest, palms facing down, and try to turn your shoulders left and right. The head must follow the backward turn, pay attention to maintain the posture at the beginning, the rotation range should be equal to or greater than 90 degrees. Alternate between left and right, do it 5-10 times. 4.Bend your shoulders backward as much as possible, as if the two shoulder blades are going to meet together. Then make both shoulders bend forward as hard as possible, as if both shoulders would be closed in front of the chest, and make both hands back together, do it 5~10 times. 5.Bend your elbows at a right angle and rotate your shoulders, first from front to back, then from back to front, rotate for any number of times. The purpose of exercising the above 6 small movements is to make the shoulders fully active so as to improve the blood supply to the brain. It is best to do this once a day, and it takes about 6 to 10 minutes.