A sore big toe is not necessarily gout. Gout is a crystalline form of arthritis caused by the deposition of uric acid crystals around the joints caused by hyperuricemia. The big toe joint is the first joint to be affected by gout, and it is also the best place for gout to develop. At the onset of the disease, there can be redness, swelling, heat, pain and impaired movement in the big toe joint, and the patient may also have systemic symptoms such as fever. However, other diseases such as inflammation of the toe and aging joints can also cause pain in the big toe, so a diagnosis of gout cannot be made on the basis of big toe headache alone. The common diseases that cause big toe headache are the following: 1, inflammation of the toe: common such as nail infection or cellulitis of the toe, the onset of the site is often in the tip of the big toe or toenail local, the affected area will appear red, swollen, painful and other symptoms, and there is a sense of pulsation, can also appear abscesses; 2, joint aging: some elderly groups also often appear big toe headache, and the aging of the joints, degeneration is obviously related. The clinical symptoms are relatively light, the local redness and swelling are also light, and the pain is not obvious when not active, but with the increase in activity, the pain symptoms will gradually increase; 3, other: if the patient suffers from psoriatic arthritis, rheumatoid arthritis, osteoarthritis, spondyloarthropathy, etc., the big toe headache can also appear. For patients with big toe headache, it is recommended that they come to the hospital as soon as possible for examination to clarify the cause and take appropriate treatment to relieve the pain.