The correct squatting posture is to keep the upper body upright and slowly squat down with the knees bent at 70~80 degrees. The correct squatting posture is standing position, head up and chest out, keep the upper body upright, you can slightly lean forward. Feet apart and shoulder width, feet parallel, toes to the front. The body slowly squatting down, the upper limbs slightly tilted, not more than 40 degrees, thighs and calves do not close to relax, the angle is less than 90 degrees, about 70 ~ 80 degrees. Deep squatting is recommended to do 2~3 times a day, 15 minutes at a time, you can also squat against the wall to reduce the load on the knee joint, you can adjust the amount of training according to your own situation. Through deep squatting can enhance the strength of the thigh muscles and increase the stability of the knee joint. However, it is not recommended to do it if there are symptoms such as knee pain and swelling, so as not to aggravate the condition.