There are two general reasons for back pain when waking up in the morning: first, lumbar back muscle fasciitis or lumbar muscle strain, if you catch a cold or bend over for a long time to hold things, sedentary, etc., can cause chronic inflammation of the muscles and fascia of the lumbar back, resulting in edema of the fascia or inflammatory reaction of the muscles, resulting in symptoms of lumbar back pain, especially after a night’s sleep, the pain is more obvious when waking up in the morning, and after getting up and moving The pain will slowly ease after a while, and after a day of exertion, the back pain will increase, which is typical of lumbar and back myofasciitis and lumbar muscle strain symptoms. Second, ankylosing spondylitis, if young and middle-aged people have back pain in the morning, accompanied by stiffness in the lower back, it is necessary to check whether the symptoms of morning stiffness are due to ankylosing spondylitis, to carry out pelvic plain film and lumbar spine frontal and lateral film examination to further confirm the diagnosis, and if necessary, blood tests to confirm the diagnosis.