If a patient has a painful leg burst, it may be due to the presence of peripheral nerve stimulation, lesions in the muscles of the lower limbs, vascular lesions in the lower limbs, etc., as follows: First, peripheral nerve stimulation: some patients will experience this type of symptom secondary to peripheral nerve stimulation, such as when a patient has sciatica, it may be in the relevant area of the lower limbs, with paroxysmal, Radicular pain. Second, lesions of the muscles of the lower extremities: some patients may have such symptoms due to lesions of the muscles of the lower extremities, such as paroxysmal pain around the muscles of the lower extremities when the patients have muscle spasms due to overexertion. Thirdly, lower limb vascular lesions: some patients may have such symptoms due to lower limb vascular lesions, such as paroxysmal pain and claudication when patients have lower limb artery stenosis or embolism lesions.