Since urate crystals are usually aggregated and deposited in one joint to form gout stones, usually starting in the big toe, it usually starts with pain in only one foot. Only in severe cases will other joints such as the finger joints and knee joints be involved. Gout is a disease caused by high levels of uric acid, which results in the deposition of urate crystals in the joints, causing painful inflammation around the joints. Due to the lower extremity blood return speed is relatively slow, big toe joint is the end position of the human body, urate crystals are most likely to be deposited here and to be deposited to a certain amount, resulting in gout symptoms, so generally from one side of the foot pain began. It is recommended that patients suffering from gout, go to the hospital in time to follow the doctor’s instructions for relevant treatment, to avoid delaying the condition.