The lumbar muscles and nerves in the lower extremities, all emanate from the starting point around the lumbar vertebrae, then travel downward, through the hips all the way to the thigh part, so there is lumbar pain and buttock soreness. Small range and small area symptoms may be simple lumbar muscle strain, pulling the buttocks soreness, while more serious, large area, has exceeded the knee joint of these symptoms, may be a lumbar disc herniation, compression of nerves caused by, and daily life sedentary, standing, bending, wind and cold have a direct relationship. You should rest in bed as much as possible, sleep on a hard bed, avoid bending, sitting and standing for a long time, and gradually reduce the symptoms with acupuncture, massage, hot compresses and physical therapy for the lumbar spine. If there is no significant improvement, you should go to the hospital to do lumbar spine CT, or MRI examination to determine whether there is a lumbar disc herniation. Specific lesions need to be dealt with by further systematic treatment.