Gout attacks are not always in the joints, but usually appear in the more terminal parts of the limbs, so many gout patients appear in the first metatarsophalangeal joint of the foot, ankle joint, etc., but some patients may appear in the back of the foot, the elbow joint of the upper limb, forearm and other parts, when the site of the gout attack is not very typical, it is necessary to have a detailed knowledge of the patient’s medical history, improve the relevant auxiliary examination results The diagnosis should be made based on the doctor’s experience. First of all, we need to know whether the patient has had previous gout attacks, if he or she has had previous gout attacks, the reappearance of redness, swelling, pain and increased skin temperature in the affected area at this time does not exclude gout attacks. Secondly, it is important to know whether there is a history of high purine diet before the attack, such as drinking alcohol, eating seafood, drinking broth and so on. If there is a significant increase in uric acid, combined with the symptoms of pain and redness, it is not difficult to make a diagnosis.