Swollen and painful toe joints, mainly consider the following: 1. Gouty arthritis. Common in patients with hyperuricemia, when eating animal offal and seafood containing purine food, will lead to a sharp increase in blood uric acid in the body, the formation of uric acid crystals deposited in the joints, it will lead to swelling and pain, manifested as local jumping pain, redness and swelling, walking disorders, need to carry out uric acid reduction treatment to recover. 2, toe arthritis. It is common in the first metatarsophalangeal joint, and some patients have obvious bunion deformity, which can be treated symptomatically by rest and oral meloxicam in the early stage, but further surgical orthopedic treatment is needed in the later stage to recover. 3. Synovitis of the toe joint. Mainly due to excessive activity or cold, resulting in aseptic inflammation of synovial edema, fluid accumulation, etc., manifested as painful edema of the damaged joint is obvious. 4, infection. Bacteria enter the soft tissue through the skin and further multiply causing soft tissue infection, resulting in localized redness and pain in the joint, which can be clarified by blood sampling.