Renal hemorrhage is usually caused clinically by contusions of the kidney due to trauma, which can easily cause renal hemorrhage. Clinically, if there is a kidney contusion later, patients usually need absolute bed rest, usually at least 2-4 weeks of bed rest. If the premature activity will aggravate the condition, it will easily cause kidney bleeding more serious. Generally, patients with kidney bleeding need to be hospitalized for observation and timely monitoring of vital signs and the amount of bleeding and urine color to determine if the bleeding is too severe. According to the patient’s condition, blood transfusion, rehydration and other symptomatic treatment, if there are other combined injuries, patients also need to be timely rescue, if the bleeding is serious, may require timely resuscitation or surgical treatment.