The incidence of ankylosing spondylitis has also been relatively high in recent years, and many patients comrades are more concerned about the disease. Many young and middle-aged men, as soon as they have low back pain, come to consult if it is ankylosing spondylitis. For ankylosing spondylitis, the general diagnosis is based on the patient’s general condition, such as age. If you are a young or middle-aged male, if you have low back pain, pain, stiffness, difficulty turning over at night, or swollen and painful peripheral joints, such as swollen and painful knees, or swollen and painful Achilles tendon ligaments in the heel, you can come to the hospital to confirm whether it is ankylosing spondylitis or not. However, if you are a woman and have occasional back pain, do not consider the disease and consider other problems more often. If you suspect that you have ankylosing spondylitis, you can observe if you have difficulty turning over at night, if your back is stiff and painful, if your back is sore and painful after you get up in the morning or if your back is easy when you get up in the morning and go to sleep. Consider the diagnosis of ankylosing spondylitis. In addition, the pain in the heel, it should be noted that many patients have heel pain at the first presentation, maybe no low back stiffness and pain, but have pain in the heel, should come to the hospital for examination and diagnosis.