The most common causes of sore feet are over-exercise, trauma, plantar fasciitis, lumbar disc herniation, etc. If the symptoms persist, it is recommended that you seek medical attention in a timely manner. 1. Excessive exercise: If you engage in strenuous sports, such as jumping rope, long-distance running, etc., it is easy to cause the accumulation of lactic acid in the plantar muscles, and the metabolism process of lactic acid may cause foot soreness. 2. Trauma: If there is an external impact or a history of trauma, muscle and ligament injuries, or even fractures, which cause inflammatory reactions, it is easy to have sore feet and limited activities. 3. Plantar fasciitis: Aseptic inflammation of the plantar fascia due to trauma or strain, etc. When inflammation occurs, it is easy to cause soreness and pain in the feet, which requires timely rest and appropriate hot compresses. 4. Herniated lumbar intervertebral disc: the herniated lumbar intervertebral disc compresses the nerve root, which will cause numbness and pain in the lumbar region, lower limbs and feet, and can also cause foot pain. Causes of foot pain are more reasons, may also be related to osteoarthritis, gouty arthritis, infection and other reasons, it is recommended to promptly go to the hospital to identify the cause of the disease, targeted treatment.