There is no such thing as the fastest and most effective way to cure leg pain. There are many causes of leg pain, such as trauma, strain, osteoarthritis, etc., which can be treated by general treatment, physical therapy, medication and surgery according to the cause of the disease. 1. Trauma: After the leg injury, if there is soft tissue injury or fracture, it will cause leg pain, and also cause activity disorder. After the injury, pay attention to rest, you can take the acute period of cold compresses, hot compresses and other methods of treatment in the recovery period. Non-steroidal anti-inflammatory drugs such as diclofenac sodium can also be applied for treatment. If there is a serious fracture, it can also be treated with surgical incision and fixation. 2. Strain: If you walk too much and exercise too much, it will cause muscle strain, and at the same time, lactic acid secretion will increase, which will also cause leg pain. At this time, you need to pay attention to rest, can use hot compresses, massage and other methods of treatment. If the pain is serious, you can also apply the above medication, and the pain can be relieved soon. 3. Osteoarthritis: It is caused by degenerative joint lesions, which will lead to degenerative damage of articular cartilage and also cause leg pain. Usually pay attention to rest, avoid excessive activities, pay attention to joint warmth. Non-steroidal anti-inflammatory drugs can also be applied; if the condition is serious and seriously affects the activities, surgical treatment, such as artificial joint replacement. There are many causes of leg pain, such as lumbar disc herniation, vasculitis, tumors in the leg, etc., which need to be treated according to the cause. When leg pain occurs, you can go to the hospital to further find out the cause of the disease, and then targeted treatment. The above drugs need to be applied under the guidance of a physician.