The symptoms of big and wide feet in old age may be caused by bad shoe habits, varicose veins in the lower limbs, bone and joint degeneration, and so on. 1. Bad shoe habits: women wearing high-heeled shoes or ill-fitting shoes for a long time may lead to bunion deformity of the foot, which may cause big and wide toes, pain and other uncomfortable symptoms. 2. Lower extremity venous thrombosis: after the occurrence of venous thrombosis in the lower extremity, the venous return will be blocked, which will lead to swelling and pain in the feet, and then the feet will be wider and wider. 3. Degeneration of bone and joints: with age, bone and joints will gradually degenerate, muscles, ligaments and other tissues will become loose, which will lead to the phenomenon of big and wide feet. The old foot is big and wide, when there are obvious symptoms of discomfort, we should go to the hospital in time for consultation and treatment.