Mastering the following medical history characteristics can do some simple self-prediction of lumbar disc herniation, and at the same time can provide adequate and reliable clues to the doctor during the consultation. 1, low back pain with unilateral lower extremity radiated pain, which is one of the typical symptoms of lumbar herniation: a, generally sudden onset; b, sometimes good, sometimes bad, sometimes light, sometimes heavy, recurrent; c, most cases generally occur first lumbar pain, later lumbar pain with radiated lower extremity pain; d, some actions that increase abdominal pressure can aggravate the symptoms, such as forceful defecation, sneezing, and even coughing; e, patients who first have low back pain, the pain time e. Patients who have low back pain first, the pain time is several days in short cases, but can be several years in long cases, the parts are mostly in the lumbar and lumbosacral areas, the sensory parts of this kind of pain are deeper, the process is slower, and the localization is inaccurate, it is aggravated when moving and alleviated after resting in bed. 2, numbness, is also the patient can subjectively feel the situation: a, generally in the lateral and posterior calf, the heel and the outer edge of the foot first feel numb, or hot feeling; b, if not pay attention to, will slowly develop into a “wood” feeling. 3, weakness, the patient can feel inflexible foot movement: a, manifested as the big toe upward power is reduced; b, can also be manifested as the back of the foot upward or downward tense power is reduced, many patients feel as driving powerless to control the throttle. 4.Low temperature of the lower extremities, which is less likely to occur: a. One leg can feel “cold”; b. The lower legs, feet and toes are especially obvious; c. Sometimes there can be unilateral or bilateral edema of the lower extremities. If all or some of the above symptoms occur, it is possible to consider a lumbar disc herniation, and it is recommended that a specialist spine surgeon visit the hospital and complete a CT and MRI examination.