After the treatment，lumbosacral back pain，back pain，lumbar spinal activity limitation，morning stiffness，and warmth chills in the treatment group were significantly improved compared with those before the treatment

    (P < 0.01).In the control group，except for warmth chills indexes，others were also significantly improved compared with those before the treatment(P < 0.01).There was significant difference between the above indexes

    (P < 0.01).Conclusion：TCM fumigation combined with conventional western medicine can improve the clinical symptoms of patients with ankylosing spondylitis to a certain extent ......