Kidney bleeding is very serious, because the kidney belongs to the internal organs and cannot be stopped by pressure, once bleeding is recommended to actively clarify the cause and the amount of bleeding. If the kidney bleeds in small amount, such as when performing renal puncture or mild kidney contusion, close observation is recommended, and vitamin K and thrombin can be injected intramuscularly, and most of them can be absorbed by themselves. If the bleeding cannot be stopped and the hemoglobin is progressively decreasing, it is recommended to actively perform renal artery intervention and perform renal artery embolization. If the embolization effect is poor, the hemoglobin is progressively decreasing, hemorrhagic shock occurs, and the hemoglobin cannot be raised by blood volume supplementation, it is recommended to actively remove the kidney for treatment. If not actively treated, life-threatening conditions i.e. death can occur. Therefore, the severity of kidney bleeding should be analyzed according to the cause of bleeding, the amount of bleeding and whether the bleeding can be stopped in time.