Low back and leg pain may be caused by rheumatic arthralgia, muscle strain, lumbar disc herniation, etc. It can be relieved by using external medications such as musk pain relief cream, pain relief cream, joint pain relief cream and pain relief cream. Patients suffering from rheumatoid arthritis are prone to lumbar and leg pain, when the lower back is cold the pain will be significantly aggravated, you can use musk pain relief cream, dampness pain relief cream, joint pain relief cream and other topical medications to relieve. After strenuous exercise or carrying heavy objects, there may be muscle injury, when the muscles are strained or congested, it is easy to appear back and leg pain, can be localized hot compresses to ease the pain, can also be applied externally to alleviate the pain of pain relief cream, dampness analgesic cream to ease the pain. If you suffer from lumbar disc herniation, the protruding lumbar vertebrae presses on the nerves will appear the situation of lumbar and leg pain, can be used externally to alleviate the pain of the dog skin cream, blood circulation and pain relief cream and other drugs. External application of Chinese medicine paste, may cause skin allergies, patients are advised to use under the guidance of a doctor, not self-medication. Long-term lumbar and leg pain suggests that the patient is best to go to a regular hospital to do a detailed examination to identify the cause of the disease from the root cause of the treatment.