First, through the single factor Logistic risk factor analysis, the results showed that: Low HGB and low HCT levels were risk factors affecting the pathological grade of Urothelial Carcinoma of Ureter, with OR values of 0.979 and 0.951, and 95%CI of 0.983 and 0.956, respectively. This evidence concerns the gene CYGB and ureter urothelial carcinoma.