Without lumbar disc herniation, leg pain and foot pain may be related to muscle overwork, vascular lesions in the lower limbs, calcium deficiency, and so on. 1. Muscle overwork: Excessive exercise or maintaining a posture for a long time, etc., leads to overwork of leg and foot muscles. This leads to the accumulation of acidic metabolites in the leg muscles, which stimulates the nerves and causes soreness in the legs and feet. 2. Lower extremity vascular diseases: such as varicose veins, arterial blood supply insufficiency, etc. can cause blood circulation disorders in the leg and foot muscle tissues, leading to changes in metabolic levels, and can also induce leg and foot pain, accompanied by leg and foot muscle weakness. 3. Calcium deficiency: after calcium deficiency, the sensitivity of muscles will be reduced. It also tends to cause muscle twitching and pain. Failure to give enough calcium to the bones can also cause pain. The appearance of legs and feet, soreness and pain, it is recommended to seek medical attention in a timely manner, follow the doctor’s instructions for further examination, with the help of the doctor to clarify the causes, and targeted treatment.