1, smoking can increase the risk of kidney tumor, and it is related to the amount of smoking, and this correlation can be reduced after 25 years of quitting smoking;

2. The prevalence of renal tumors is high among the employees exposed to cadmium. The prevalence of renal tumors in coke oven workers, printers and petrochemical workers is high;

3. Urban and rural areas and cultural and economic conditions have confirmed that the prevalence rate of renal tumors in urban residents is higher than that in rural residents;

4. The use of hormones and pharmaceutical chemicals, especially hormones, can increase the prevalence of renal tumors, and the prevalence of renal tumors increases after taking diuretics in hypertensive patients;

5, other factors renal insufficiency Long-term dialysis patients are prone to kidney cancer. In addition, obesity, diabetes, blood transfusion history, radiation, drinking, food and other factors may be related to the pathogenesis of renal tumors.