Low platelets need to clarify the cause of the disease, for the cause of the treatment, usually for drug treatment, you can take oral caffeic acid tablets, eltrombopa and other drugs. Low platelet is one of the common manifestations of hematologic diseases, severe infections and rheumatic immune diseases, common primary thrombocytopenia, aplastic anemia, etc. Reduced platelets will significantly increase the risk of bleeding and difficulty in stopping bleeding after bleeding occurs. In addition to treating the cause of the disease, symptomatic platelet supplementation may be needed. Direct platelet transfusion is the most effective, but there are strict indications. In addition, oral medication may be needed to promote platelet production, commonly used drugs include caffeic acid tablets, eltrombopagnes, etc.. Drugs need to be used under the guidance of a doctor, avoid self-medication.