1, bone marrow examination in a typical patient really does not have much diagnostic significance, foreign agreed that the test should only be carried out in chronic refractory cases with poor response to treatment or with other diseases that cannot be differentiated, but recurrent disease or recommended bone aspiration examination, children do on the sternum as long as experienced doctors do very safe. Hp infection and cytomegalovirus infection are very fashionable. There is a case on hand that was cured after HP infection was cleared by standard therapy, but there is no corresponding relationship between the two in the current article. 3, clinically have not encountered the cut spleen. 4, mild bleeding: skin bruises, petechiae, or with nosebleeds, platelets in (3O a 40) × 109 / L or more. Avoid trauma, rest and observation, and decide whether to apply intravenous gammaglobulin injection and methylprednisolone injection according to the progress of bleeding and the degree of platelet count decrease. 5. Noteworthy: change to prednisone oral after 3 d of continuous use. When the symptoms are reduced, platelets rise and then gradually reduce the dosage and stop the drug. The course of treatment generally does not exceed 4-6 weeks. Generally stop using the drug for 2-3 weeks. The maximum duration is not more than 4 weeks. If used for 2 weeks. Discontinuation can be abruptly stopped. Discontinuation is mainly based on the disappearance of bleeding symptoms, without waiting for platelets to return to normal. Even if platelets drop after stopping the drug. As long as there is no further bleeding, observation can be continued. If extensive bleeding occurs again, platelets less than 30,000 should be treated with additional hormone therapy, and then changed to every other day after the bleeding improves. If platelets continue to fall after discontinuation of the drug, there is a need for a longer duration of prednisone or methylprednisolone tablets at the lowest dose daily or every other day for maintenance. The above only represents my opinion, this disease treatment or need to combine the actual situation of individuals!