Chiropractic manipulation is based on the traditional Chinese medicine of orthopedics and internal acupressure, combined with modern spinal physiological anatomy and biomechanics, and based on the pathological changes of small spinal joint subluxation, researched and developed an effective method for treating spinal joint subluxation, intervertebral soft tissue strain, synovial joint impaction and disc herniation. This technique treats both bone and soft tissue, and is accurate, light, painless, safe and effective.