The correction effect on the forehead plane reached 78.15%, the degree of horizontal movement of the top vertebrae of the thoracic spine was recovered from 5.33 cm to 1.2 cm at the last time of follow-up, the body balance over the waist was recovered at the last time of follow-up from 4.63 cm to 0.95 cm on average, the shoulder balance was recovered with an average difference reducing from 0, 93 cm to 0.3 cm, the reliability was statistically significant.