The life expectancy of ankylosing spondylitis is the same as normal people, that is, ankylosing spondylitis occurs, life without worry, can work and live as normal people, to reach the life of God. If ankylosing spondylitis after standard treatment, standard exercise, can work and live like normal people to old age, such as marriage, children will not be affected, provided that the standard treatment, early detection, early diagnosis, early treatment. If ankylosing spondylitis occurs at an early age, at a very young age, a few years old, due to the long course of the disease, if the process is not standardized treatment, such as the abuse of hormone therapy, will lead to a decline in immunity, too much treatment with immunosuppressants will be secondary to infection, after the occurrence of infection, the patient does not die from ankylosing spondylitis, but from adverse drug reactions, drugs The patient does not die from ankylosing spondylitis, but from adverse drug reactions, secondary infections, etc. Therefore, ankylosing spondylitis itself does not affect life expectancy, but if complications or adverse drug reactions occur, it may affect income.