Renal infarction is a kind of disease caused by embolism of arterial blood vessels inside the kidney, which often leads to nausea and vomiting, pain in the kidney area, hematuria and other symptoms. Renal infarction is rare in clinic, mainly due to the patient himself suffers from nephrotic syndrome, resulting in the body is in a state of high blood coagulation, the production of a large number of coagulation factors, at the same time, if the patient himself suffers from lower extremity venous thrombosis, hyperlipidemia and other underlying diseases, the body’s clots, fats and other substances may enter the renal vasculature, resulting in renal infarction. Patients with renal infarction often have sudden, unexplained pain in the kidney area or chest and back pain, hematuria, etc. At the same time, the patients also have nausea and vomiting, generalized fatigue and other symptoms, and when they go to the doctor’s office for checkups, abnormalities such as hematuria, proteinuria, etc., and some of the patients may also be accompanied by elevation of liver aminotransferases. In terms of treatment, anticoagulation and thrombolysis can be actively carried out; if the infarction area is relatively large, interventional therapy is usually needed; if the kidney is seriously infected, even surgical resection of the affected side of the kidney is needed. It is recommended that patients diagnosed with renal infarction should consult regular hospitals in time for further examination to clarify the specific causes of infarction and carry out appropriate treatment according to the causes, so as to avoid delaying the condition.