Platelet count 320 that is, platelet count 320 × 10⁹ / L, a little higher than the normal value, purely on the platelet value, if there is no other uncomfortable symptoms can be temporarily observed, if necessary, can be a week after the review. The normal value of platelets is (100-300) × 10⁹ / L, 320 slightly higher. The increase of platelets can be seen in myeloproliferative diseases, such as chronic granulocytic leukemia, true erythrocytosis, primary thrombocythemia and so on. Thrombocytosis can also occur in iron-deficiency anemia, and platelets can be significantly elevated after splenectomy. Generally speaking, a slight increase in platelet count without other symptoms or abnormalities may be a physiological phenomenon, and observation and follow-up can be done. If the platelet count is obviously high, it is recommended to consult a doctor for review in a timely manner.