The soreness of the whole leg is typically caused by the irritation of the sciatic nerve. Clinically, it is common to see milder lumbar disc herniation or pear-shaped muscle syndrome, and these underlying lesions lead to compression of the sciatic nerve, which is related to strain and strain in daily life such as sitting, standing and bending. The symptoms can be gradually relieved by resting in bed and soaking your feet in hot water as much as possible. Also pay attention to maintenance, avoid bending, prolonged sitting, prolonged standing, and do more functional rehabilitation exercises for the lumbar back muscles, such as lying on the bed and doing the swallow flying motion or lying on the bed and doing the five-point support method. If the effect of the following simple methods is not obvious, you need to go to the hospital orthopedic examination, with acupuncture, massage, hot compress, physiotherapy, along with lumbar brace fixed protection and other treatments to help relieve.