There are several precursors of recurrence of lumbar disc herniation, so pay attention to identification: first, the original lumbar disc herniation, recently felt lumbar discomfort, such as lumbar soreness, holding up uncomfortable or feel that the waist is not as strong as before, after carrying something, carrying something, holding something pain in the waist, or bending over, washing face, combing hair, brushing teeth pain in the waist, to consider a possible recurrence. Secondly, pain in the buttocks, such as pain in the ring jump point of the buttocks, where muscle injections are usually given, is a precursor to relapse. Third, the calf suffocated, such as the patient down to walk or standing walking, bending weight resulting in the calf suffocated, pain, may be a precursor to relapse. Fourth, the sudden appearance of numbness on the top and bottom of the feet, like insects crawling, is also a precursor of recurrence of lumbar disc herniation and should be noted early.