The sudden appearance of one side of the lumbar pain symptoms are as follows: 1, may be due to long-term chronic strain, strain injury, resulting in the lumbar muscles appear old injury, the patient will appear on one side of the lumbar pain symptoms, after this situation, the patient need to bed rest, reduce the amount of activity. At the same time, the lumbar area can be treated with hot compresses, physiotherapy and other symptomatic treatment to reduce the symptoms of lumbago. 2, may be due to a posture maintained for too long during sleep, resulting in a longer time of compression on one side of the lumbar area, or the patient’s side of the lumbar muscles are cold for a longer period of time, can lead to the patient’s sudden side of the lumbago symptoms appear. Therefore, if the symptoms of sudden lumbar pain appear, first of all, rest in bed, avoid strenuous activities, and give appropriate physiotherapy, or topical application of blood circulation, anti-inflammatory and analgesic creams to assist in treatment. If there is no relief within a short period of time, you must go to a regular hospital in time to see a doctor and not delay your condition.