Grade 1: neck pain, stiffness Grade 2: neck, shoulder, back pain, stiffness, dull face Grade 3: tired look, poor resistance, easy allergies, easy to leave pigmentation marks, long spots Grade 4: arms are not strong, pain, numbness Grade 5: facial luster, uneven skin tone, loose skin does not match the actual age Grade 6: often sleep pillow Grade 7: walking drift, run off, unstable writing Grade 8: walking like stepping on cotton, one foot deep, one foot shallow Grade 9: urine, stool, sexual function appears unspeakable Grade 10: can not get out of bed