Platelet abnormalities are divided into elevated platelets and reduced platelets, and the recovery time varies depending on the cause and cannot be generalized. A variety of clinical conditions can lead to platelet abnormalities, manifesting as elevated or reduced platelets. In most cases, elevated platelets are caused by secondary factors such as infections, and platelets can recover on their own with treatment of the cause, while in a few cases, primary thrombocytosis is a hematologic disorder that can cause blood clots, and patients need to be seen in the hematology department. The clinical condition of platelet reduction is more common, especially for hematologic diseases, such as aplastic anemia, myelodysplastic syndrome, acute leukemia, etc. The platelets can be completely restored to normal only after targeted treatment is given for different causes. In addition, if the platelets are reduced by drugs, the platelet count can gradually return to normal by itself after stopping the use of drugs. Therefore, patients with platelets above a certain range need active intervention, and it is recommended that patients actively consult the hematology department to clarify the cause and provide treatment for the cause.