Ankylosing spondylitis can be categorized as “lumbago” in traditional Chinese medicine, which can be treated from four aspects: cold-dampness, dampness-heat, blood stasis and kidney deficiency, and the treatment should be carried out under the guidance of the doctor and the medication should be taken according to the doctor’s prescription. 1. Cold-dampness lumbago often shows lumbar pain, twisting is unfavorable, aggravated by cold, pain can be alleviated by heat, treatment can be used to dispel cold and remove dampness, warming the meridians and collaterals of the sweet ginger lingzhu soup. 2. Damp-heat lumbago often manifests lumbago with tugging sensation, accompanied by burning sensation, and the pain is alleviated by cold, and the treatment can be used to clear away heat and relieve dampness (removing heat and dampness in the body), and relieve tendons and activate collaterals (stretching the tendons and bones, and dredging the meridians and collaterals) with the efficacy of the flavoring of the Ermiao San. 3. Lumbago with blood stasis is often characterized by stabbing pain, fixed pain, persistent pain, and refusal to be pressed, which can be treated with Body Pain and Blood Stasis Soup with the efficacy of activating blood stasis and relieving pain by clearing the channels and collaterals. 4. Kidney deficiency lumbago is often characterized by lumbar pain, which likes to be pressed and kneaded, and is aggravated by exertion. People with kidney yang deficiency can see pale face and cold hands and feet, and are often treated with Right Angelica Pill, which has the effect of warming the kidneys and strengthening yang (warming and tonifying yang qi in the kidneys); people with kidney yin deficiency can see flushed face, heartburn, insomnia, etc., and can be treated with Zuo Gui Pill, which is used to nourish and replenish the yin in the kidneys. The above diagnosis and medication should be guided by a professional physician, and should not be used blindly by oneself.