TNF and gout: Group A is treated with oral allopurinol tablets, 100 mg, 2 times a day, and group B is treated with the modified Guizhi Shaoyao Zhimu Decoction based on group A. For observation, serum uric acid (SUA) levels, urinary uric acid (UUA) levels, levels of serum inflammatory response factors (IL-6, CRP, and TNF-α), vascular endothelial function indexes (serum malondialdehyde (MDA) content, nitric oxide (NO) content), an acute attack of gout, and the incidence of adverse reactions are measured.