Sore legs after workout should be treated according to the cause, common causes are overwork, soft tissue injury, lumbar disc herniation, etc. The treatments taken are general treatment, medication, surgery and so on. 1. Overwork: The intensity of exercise is too high, and muscle metabolism produces a large amount of lactic acid, which is easy to cause soreness of leg muscles. It is recommended to rest so that the muscles can be fully relaxed. 2. Soft tissue injury: exercise more than the muscle load strength, can cause muscle strain and tear, tendon ligaments and other injuries, should be braked and rest, oral diclofenac sodium extended-release tablets anti-inflammatory and analgesic. 3. Lumbar disc herniation: excessive load on the waist and legs can lead to rupture of the fibrous ring of the lumbar disc, nucleus pulposus protrudes, compressing the surrounding nerve roots and triggering pain in the waist and legs. Celecoxib capsules can be applied to relieve pain, and in severe cases, nucleus pulposus removal is feasible to relieve nerve root compression. Sore legs after exercise may also have other causes such as lumbar spinal stenosis, it is recommended to go to the hospital in a timely manner, the above medication should be under the guidance of a doctor.