Allergic purpura nephritis can recover in about several years, mainly related to the severity of the patient’s condition, treatment and individual recovery, can not be generalized. Allergic purpura nephritis, also known as purpura nephritis, patients can appear proteinuria, hematuria and other symptoms. There is no specific treatment, but mainly symptomatic treatment. Such as the application of hormonal drugs, immunosuppressants and other ways to treat. It takes about 3-5 years for patients to recover after active and effective treatment, and the exact time varies from person to person. And some patients can have recurrence after recovery, and a few patients may transform into chronic nephritis, the specific recovery time cannot be specified. In addition, patients with allergic purpura nephritis need to pay attention to keep warm in daily life, ensure sufficient sleep, avoid trauma, and regular review at the hospital.