Sore feet can be caused by physiological factors, as well as osteophytes, osteoporosis, joint inflammation and other factors. 1. Physiological factors: such as prolonged exercise or heavy physical labor, the accumulation of lactic acid metabolites in the foot muscles will cause soreness in both feet, which can usually improve on its own after reasonable rest. 2. Osteomalacia: When osteophytes exist, the increased bone mass causes irritation to the surrounding tissues, which may lead to sore feet. 3. Osteoporosis: It is a metabolic bone disease, often caused by a decrease in bone formation and an increase in bone resorption, which can lead to symptoms such as soreness and pain in the feet, and due to an increase in the fragility of the bone, it is also easy to fracture. 3. Joint inflammation: such as osteoarthritis, rheumatoid arthritis, etc., can lead to sore feet, which may be accompanied by redness, localized heat, and in severe cases, can lead to local deformity, affecting daily walking. Sore feet, and the symptoms continue to worsen, should go to the hospital in time, under the guidance of the doctor standardized treatment.