The causes of sudden lumbar pain in men are as follows: 1, if it is simply sudden lumbar pain without some symptoms of the lower extremities, it may be caused by cold or lifting heavy objects, such as cold, especially in summer blowing against the air conditioner or sudden rain, if there are these factors, it may be caused by external factors, in addition, there is also bending down to lift heavy objects, sudden bending pain, may be in the process of bending down to lift heavy objects, there is a If this is the case, after acupuncture or repositioning of small joints, once or twice can be relieved, even when pushing a wheelchair, after acupuncture once Immediately can be relieved, assuming that there are no lower limb symptoms is to consider whether there is an obvious cause; 2, whether the lumbago has some kidney stone symptoms, whether the sudden colic feeling is considered to have the symptoms of stones, can do ultrasound examination to exclude.