Normal human platelets are (100~300)×10⁹/L, so platelets 25×10⁹/L is abnormal. Patients seeking medical examination found platelets 25 × 10⁹ / L, belong to the abnormal phenomenon, the value is lower than the normal value range, clinically known as thrombocytopenia. It can be seen in the blood system diseases and infections, drug use and other reasons. 1. Thrombocytopenia can be caused by many reasons, and is commonly seen in hematologic diseases, such as aplastic anemia, leukemia, primary immune thrombocytopenia, disseminated intravascular coagulation, etc., all of which are abnormal phenomena. 2. In addition to the above diseases, platelet 25×10⁹/L in some patients is related to infection, medication, radiotherapy and other factors, but it is mostly relieved after controlling infection (levofloxacin) and adjusting medication, so there is no need to worry too much. Usually those with platelets 25×10⁹/L will have symptoms such as skin bruises, bleeding gums, and in severe cases, even gastrointestinal bleeding and anemia. It is recommended that people with platelets 25×10⁹/L undergo further detailed examination in order to clarify the disease and then follow the doctor’s instructions for treatment, so that the platelets can be restored to within the normal range.