There are many causes of soreness in the big toe, but the most common causes are as follows: first, gouty arthritis, gouty arthritis occurs in the first metatarsophalangeal joint, and there will be more obvious local redness, swelling, heat, pain and pressure pain; second, bunion deformity, there will be obvious hyperplastic masses and bunions on the inside of the big toe with a history of bunion deformity, and there will also be obvious local pressure pain; third, Osteoarthritis of the toe, after the appearance of osteoarthritis there will also be localized osteophytes and degeneration of the articular cartilage, which will also cause more obvious pain. In addition to the above three common conditions, there are other causes of big toe pain, what is the specific cause, must go to the hospital to find orthopedic surgeons for appropriate diagnosis and treatment, only after the diagnosis and treatment is clear to correspond to further treatment.