A platelet value of 600 x 10⁹/L is not normal and is usually thrombocytosis. Generally, the normal value of platelets is (100~300)×10⁹/L. Clinically, platelet count is an indicator used to judge whether the bleeding tendency of the human body, the human body’s coagulation and hemostatic function is normal. If the platelet value >400×10⁹ / L is suggestive of thrombocytosis, considerations related to primary thrombocythemia, chronic granulocytic leukemia, true erythrocytosis, acute and chronic inflammatory diseases. Specific treatment should be tailored to the cause of the disease, such as primary thrombocythemia patients should be treated with oral hydroxyurea, aspirin and other drugs. Therefore, if the platelet value is abnormal, it is recommended to cooperate with the doctor to improve the relevant examination, combined with the cause under the guidance of the physician to receive treatment.