Primary immune thrombocytopenia belongs to hematologic diseases, the severity of which should be judged according to the patient’s clinical manifestations, some of which are not particularly serious, but there is also the possibility of aggravation of the condition of life-threatening. 1. Primary immune thrombocytopenia is caused by abnormalities in the body’s immune system, resulting in a shortened life span of the patient’s platelets, the patient’s performance of skin and mucous membrane bleeding, bleeding may be petechiae or petechiae, bleeding less is not particularly serious, does not belong to the major diseases. 2. However, if the patient’s platelet count is extremely low, it is very easy to cause cerebral hemorrhage or systemic hemorrhage, which may endanger the patient’s life, then the situation is more serious, and the patient needs to receive timely treatment, the drugs include prednisone, gammaglobulin and so on. Once the primary immune thrombocytopenia patients find discomfort, such as unexplained bleeding from the skin and mucous membranes, etc., they need to consult a doctor in time to find out the cause and listen to the doctor’s advice for treatment.