Renal staggered tumor is usually not cancerous, but when the diameter of the tumor increases more than 4cm, it will usually lead to the symptoms of pressure on the surrounding organs, so it needs to consult the doctor in time for regular treatment. Renal malformation tumor is a kind of benign tumor composed of abnormally proliferated blood vessels, adipose tissue, smooth muscle and so on, and it may also be a manifestation of tuberous sclerosis in the kidney, which is usually slow-growing and non-destructive, and will compress the surrounding tissues when its volume keeps increasing, but it usually will not undergo malignant transformation. When the diameter of the tumor is less than 4cm, it usually does not have obvious symptoms, and no special treatment is needed at this time, and dynamic review can be done; when the diameter of the tumor is more than 4cm, it is easy to lead to compression symptoms, such as stomach, duodenum, liver and other corresponding symptoms after the pressure. It is recommended to go to regular hospitals in time after the appearance of corresponding clinical symptoms, so as to clarify the diagnosis of the disease and carry out corresponding treatment according to the condition.