Lumbar disc herniation surgery three months back stiffness may be physiological factors, such as poor muscle strength of the lumbar and back after surgery, did not do rehabilitation in time, there may be pathological reasons, such as lumbar muscle strain, ligament inflammation, etc., need to analyze the specific situation for specific, targeted treatment. If it is physiological factors, the lumbar and back muscle strength is poor after surgery, usually need to recover for a period of time after surgery, muscle strength will decline, then you need to do some exercises to strengthen the lumbar and back muscle strength according to the guidance of the rehabilitation doctor during the safety period. If you don’t do the training to enhance the flexibility of the spine in time, it will easily lead to the stiffness of the joints of the lumbar region. If it is a pathologic cause of lumbar muscle strain, and the patient did not have reasonable rest after surgery, as well as the protection of the lumbar spine has a certain relationship, you need to consult a doctor in time for examination, to avoid aggravation of the symptoms. If it is pathologic ligament inflammation, you need to do a detailed examination, according to the site and degree of inflammation, under the guidance of the doctor to take oral medication or external ointment relief. Excluding physiological factors, timely examination of pathological causes, to avoid delaying the disease.