Chronic lumbar muscle strain is a kind of chronic injury occurred on the soft tissue of muscle, fascia and ligament. As a common clinical disease, the clinical morbidity of chronic lumbar muscle strain in patients with low back and leg pain is 80%. The western medicine has not bui1t a common recognition on the causes of chronic lumbar muscle strain. On the viewpoint of traditional Chinese medicine, the occurrence of the illness is closely related with the long-term lumbar soft tissue fatigue, the delayed treatment or missed treatment of acute injury in lumbar soft tissue fatigue, the aged liver-kidney depletion occurred, and the disorders of qi and blood. In modern western medicine, taking nonsteroidal anti-inflammatory drugs (NSAIDs) / muscle relaxants and using physical rehabilitation are the m吋or treatment methods in chronic lumbar muscle strain. But, they not only have no beneficial effects but also have higher recurrence rate. Through Chinese herbs, electro-acupuncture, cupping and massage, the traditional Chinese medicine can better cure this disease. The traditional Chinese medicine therapy combined with lumbago-leg muscle strength training can prevent the recurrence of lumbago pain while getting curative treatment effects.