1, untreated dizziness, headache or migraine; 2, heavy head numbness, numb fingers, upper limb weakness, etc.; 3, recurrent neck and back pain, soreness and tenderness; 4, unexplained insomnia and dreaminess, memory loss; 5, persistent tinnitus or hearing loss not caused by the ear; 6, unexplained arrhythmia, angina-like symptoms; 7, long-term hypotension or “inexplicable” hypertension; 8, unexplained respiratory, digestive, endocrine and other functional disorders; 9, always tilting the head to one side or repeatedly “fallen pillow”; 10, long-term snoring.