The examination methods of hyperuricemia are as follows: 1. Blood uric acid examination: blood uric acid over 420μmol/L is called hyperuricemia. There are some differences in test results according to age and gender, and repeated monitoring is recommended; 2. uric acid examination: after five days of low purine diet, take a 24h urine specimen to test uric acid, more than 600mg is considered excessive uric acid production; 3. bursal fluid and gout stone contents examination: take the contents and examine them under a polarized light microscope, if needle-shaped white material is seen, it can be used as a basis for confirming the diagnosis of gout; 4. x-ray examination: There is no characteristic soft tissue swelling manifestation in the acute phase attack. Arthritis recurrent attacks, chronic phase manifested by the affected joint surface appear chisel-like, worm-like translucent defect areas; 5, CT, magnetic resonance examination.