The methods to relieve pain after practicing legs include stretching massage, soothing exercise, medication, etc. The causes of pain after practicing legs include mild muscle injury, lactic acid buildup, muscle tearing, etc. The causes are different, so it is recommended to clarify the cause of the disease and then apply treatment according to the disease. 1. Mild muscle injury: It is recommended to use cold compresses as early as possible, do proper muscle massage and stretching, and cooperate with microwave physiotherapy. At the same time, you can apply safflower oil or Yunnan Baiyao spray and other medications to the painful area, and reduce activities to avoid secondary injury. 2. Lactic acid accumulation: a common phenomenon, no need to worry too much. You can do some soothing exercises, such as yoga and walking, to promote blood circulation and accelerate lactic acid excretion. You can also take vitamin C to combat lactic acid buildup. 3. Muscle tear: This cause is more serious, braking and resting are recommended to avoid aggravating the pain or causing secondary injury. If swelling occurs, a compression bandage can be used to help relieve it. Care should be taken not to wrap the bandage too tightly, as this may hinder blood circulation. It is recommended to elevate the affected limb above the heart to help relieve pain. In severe cases, surgery may be considered. Pain after practicing legs may also be caused by lumbar disc herniation, pear-shaped muscle syndrome, due to different causes of different treatments, it is recommended that when the pain can not be relieved, timely medical treatment, so as not to delay the condition.