Kidney tumor adjacent to renal pericardium also means that the current kidney tumor has already invaded the renal pericardium, and the risk is relatively high. Generally, tumors that can invade the renal peritoneum are usually malignant tumors, these tumors grow faster, and the cancer cells may also metastasize or spread to the surrounding organs, thus leading to the invasion of renal peritoneum, and at this time, the local pathological tissue examination will reveal the presence of cancer cells. If the renal tumor is adjacent to the renal peritoneum, the symptoms are usually not obvious, so most patients will ignore it. When the tumor gradually increases in size, patients will experience symptoms such as lumbar pain, blood in urine, etc., and in serious cases, normal activities will be affected. Kidney tumor is adjacent to the renal periosteum, if it is determined to be caused by malignant tumors, in the case of metastasis or proliferation, it is necessary to carry out chemotherapy as soon as possible to inhibit the cancer cells, and the more common chemotherapeutic drugs are adriamycin, mitomycin, etc., and the specific drugs should be followed by the doctor’s prescription. The severity of kidney tumor needs to be combined with other tests to determine the severity of the tumor, and it is recommended that patients go to the hospital in time for treatment under the guidance of the doctor.