Sitting aerobics is suitable for people who often sit in the office, which can promote blood circulation and metabolism, stretch the body and eliminate fatigue. The practice is: (1) Hold your head high and hold your chest high. Raise your arms and head. Inhale and exhale. Do it eight times. (2) bend your elbow. Lift your arms horizontally to inhale, and bend your elbows hard to exhale. Do it eight times. (3) rotation. Hands akimbo, turn left and right. Do it four or six times alternately from left to right. (4) leg stretching. Touch your knees with both hands, straighten your left leg and restore; Straighten your right leg again and restore it. Do it eight times alternately. (5) body flexion. Hands rested on her hips, her left arm looked up, and her upper body bent to the right. Right arm up. The upper body bends to the left to restore. Do it four or six times on each side. (6) chest expansion exercise. Make a fist with both hands, bend your elbow on your chest, put your right fist above your left elbow, and your left fist is just right, then expand your chest to both sides. Do it 8 ~ 12 times.