The severity of the purpura needs to be judged according to the patient’s condition, and it is generally not serious after timely treatment. However, if the patient has renal purpura, it is a serious situation. If the patient has purpura nephritis and other complications, it is also serious. 1. The severity of patients suffering from purpura needs to be judged by the specific condition of the patient. If the patient only has skin symptoms, no other organs or tissues discomfort symptoms, generally belong to the situation is not serious, the patient after timely and regular treatment, the prognosis is better. Medications include prednisone and loratadine. 2. If the patient with purpura is renal purpura, and kidney damage occurs, then it is a serious situation. In addition, some patients may develop purpura nephritis, which is also a serious phenomenon. Patients with purpura nephritis may develop uremia if left untreated. Drugs include methylprednisolone and so on. The seriousness of patients with purpura cannot be generalized, and patients should seek timely medical treatment and take treatment as prescribed by the doctor to avoid aggravating the condition.