Malignant tumor is a benign tumor, not serious, no obvious symptoms, in addition it has no obvious threat to human body, will not metastasize, and will not spread, so it should be said not serious. Early stage malignant tumor can have no obvious symptoms, the most common one is renal malignant tumor, the symptoms of renal malignant tumor can have some back pain or discomfort in the back, or appear hematuria, proteinuria or renal hypofunction, or some related urological symptoms, when the malignant tumor grows to a certain extent, such symptoms may appear. The treatment is mainly surgical resection, and then combined with Chinese medicine for evidence-based treatment.