The main treatment for ankylosing spondylitis is herbal medicine that tonifies the kidneys and strengthens the governor, which is commonly used in clinical practice: 1) warming the kidney yang with dog’s backbone, bacopa monniera, epimedium, cinnamon stick, slices of sap, dry ginger, etc. 2) nourishing the kidney yin with rehmannia, dogwood, yam, codonopsis, wolfberry, etc. 3) tonifying the kidneys and strengthening the bones with bone crushed tonic, bone marrow, cow’s knee, chuan break, eucommia, mulberry, etc. The doctor should be able to identify the patient’s condition according to the patient’s condition. The doctor needs to choose different drugs according to the patient’s diagnosis whether it is kidney deficiency and cold, or kidney deficiency and standard heat, or evil stagnation of liver and lung, etc., before the application of the formula, please use the medicine under the guidance of the doctor.