Thrombocytopenia can be seen in a variety of diseases and needs to be treated for the cause. For example: aplastic anemia, primary immune thrombocytopenia and thrombotic thrombocytopenic purpura, etc. Therefore, there is no specific drug that can make platelet replenishment fast. 1. Aplastic anemia: immunosuppressive therapy can be used, i.e. drugs such as anti-thymus or lymphocyte proteins, cyclosporine, etc.; pro-hematopoietic therapy, such as the use of platelet receptor agonists, e.g. eltrombopagnes; and transfusion of single-recipient platelet suspensions can also be used in severe cases. 2. Primary immune thrombocytopenia and thrombotic thrombocytopenic purpura: glucocorticoids are the drugs of choice; second-line therapies such as thrombopoietic agents, eltrombopag, etc. It is recommended that patients go to the hospital in a timely manner, under the guidance of the doctor, improve the relevant examination and receive standardized treatment.