Swollen toes can be caused by the following causes: first, rheumatoid and rheumatic diseases, often can lead to multiple swelling and pain on both sides of the toes, symmetrical onset, serious cases will have joint deformities, can have wandering pain, early blood tests, as well as foot X-rays, to early diagnosis and treatment. Second, gout, gout can involve a toe or multiple toes, toe joint swelling and pain, accompanied by skin redness, swelling, skin temperature, and the formation of gout stones, early blood tests, blood uric acid, and foot x-ray examination, to early diagnosis and early treatment. Third, infectious diseases, such as skin and soft tissue or bone combination, infection, and toe swelling and pain, often with skin redness and swelling, early blood tests, as well as toe X-rays, nuclear magnetic examination, to early diagnosis.