1, the appearance of performance: partial head, partial face, large and small eyes, strabismus, crooked mouth; slanting neck, shoulder, shoulder, sloping shoulder; bow waist, twisted hips; resting step, “X” knee, “O” knee; inside and outside the “eight” foot, resting step; flat feet, high bowed feet, bunions. The “eight” foot, resting step; flat foot, high arched foot, bunion. 2. Neck: localized pressure and pain, especially in cervical joints, weakness of cervical muscles, distortion of cervical joints and spinous processes, and limited or excessive cervical movement. Systemic manifestations: symptoms of vertebral artery irritation, sympathetic nerve symptoms, nerve root injury symptoms, spinal cord damage symptoms. For example: dizziness, headache, tinnitus, abnormal vision, chronic rhinitis, sinusitis, pharyngitis, stuttering, abnormal appetite, respiratory insufficiency, digestive disorders, abnormal sleep, low attention span, hyperactivity, muscle twitching, poor cervical muscular strength, decreased muscular strength of the limbs, poor limb coordination, poor balance. 4, cervical spine film: open-mouth position shows: atlantoaxial joint asymmetry, spinous process distortion, lateral bending, lateral position shows: cervical curvature, intervertebral height, vertebral bone density, cervical spine spinous process arrangement abnormality, arthritis disorder, curvature abnormality, old damage. 5. Emotional manifestations: agitation, irritability, timidity, clinginess, sensitivity, etc.; 6. Behavioral manifestations: aggressiveness, interpersonal withdrawal, and various behavioral disorders; 7. Expression: fierce face, evil eyes, dullness, etc.