Children with low platelets need to be treated according to the specific causes, such as infectious factors, leukemia, aplastic anemia, disseminated intravascular coagulation, etc. After clear diagnosis, general treatment, medication, platelet transfusion, surgical treatment and other ways are adopted. 1. Infectious factors: bacterial infection, viral infection and other factors can lead to low platelet in children, usually low platelet due to this phenomenon, only need to control the infection. Bacterial infections can follow the doctor’s instructions to use antibiotic drugs, such as cefdinir, azithromycin active anti-infection treatment. 2. Leukemia: leukemia can show bleeding, anemia, which leads to low platelets in children, need to follow the doctor’s instructions for platelet transfusion treatment. In addition, it is also necessary to cooperate with chemotherapy, hematopoietic stem cell transplantation. 3. Aplastic anemia: aplastic anemia can also lead to platelet generation disorder, resulting in children with low platelet, can follow the doctor’s instructions for platelet transfusion. 4. Disseminated intravascular coagulation: Disseminated intravascular coagulation can cause shock, bleeding, embolism and other phenomena, resulting in children with low platelets. The use of antiplatelet and anticoagulant drugs, such as dipyridamole and low molecular heparin, should be prescribed by the doctor. In addition to the above factors, drug factors, immune thrombocytopenic purpura, systemic lupus erythematosus and other diseases can also lead to low platelet. Parents are advised to take their children to the hospital as soon as possible to improve the examination, after a clear diagnosis to give standardized treatment, the above drugs should be used in accordance with the doctor’s instructions, not indiscriminate use.