The symptoms of soreness and swelling on the soles of the feet may be caused by overexertion, such as prolonged heavy physical labor or prolonged climbing, running and other sports, which may cause muscle soreness. In addition, when performing strenuous sports, it may cause damage to the muscles and ligaments of the feet, which may also cause symptoms of soreness and pain in the feet. In addition to the appearance of sore soles of the feet, there may be diseases caused by osteophytes and other diseases. Patients suffering from osteophytes may cause sterile inflammation of the joints of the soles of the feet when exerting themselves, and may have symptoms of sore soles of the feet. Patients suffering from diseases such as varicose veins in the lower extremities may also experience soreness and swelling of the soles of the feet as well as the lower legs during exertion due to poor venous return in the lower extremities. In this case, it is necessary to pay attention to rest and avoid exertion. You can appropriately soak your feet in hot water to promote blood circulation in the feet and relieve the symptoms of soreness and swelling in the soles of the feet. If the symptoms still do not improve, you need to go to the hospital for further examination and targeted treatment.