Blood uric acid 690μmol/L is usually more serious, and untimely treatment may cause gout; it is recommended to use some drugs to promote uric acid excretion such as phenylbromarone and inhibit uric acid synthesis such as febuxostat to regulate in order to minimize the adverse effects on the body. The normal level of blood uric acid for women is 89~357μmol/L, and the normal level of blood uric acid for men is 150~416μmol/L; blood uric acid 690μmol/L has exceeded the normal level, which indicates that the blood uric acid is elevated, and it is usually serious, and it may lead to gout attack if not treated timely for lowering blood uric acid. Blood uric acid 690μmol / L can use some drugs to promote uric acid excretion, commonly used drugs are probenecid, benzbromarone; can also use some drugs to inhibit uric acid synthesis, commonly used drugs are febuxostat, allopurine. Blood uric acid 690μmol / L should be taken seriously, it is recommended to actively seek medical advice, and under the guidance of the doctor for standardized treatment.