Rationale: Hematomas after percutaneous angiography often occur in the thigh, retroperitoneal, intraperitoneal, or abdominal wall. Renal hematoma after percutaneous angiography is very rare. Diagnoses: Herein, we present a case of perirenal hematoma and delayed contrast metabolism after cerebral angiograph, which may be caused by improper operation. Interventions: Conservative treatments which development by multi-disciplinary collaboration. Outcomes: After treatment, the clinical symptoms of the patients gradually disappeared and the imaging results became negative. Conclusion: Though the patient missed timely diagnosis and treatment, fortunately no catastrophic events occurred. Meanwhile, the potential causes, diagnosis, and therapeutic management were all discussed.