Whether high platelet is important or not should be determined according to the specific situation, if the platelet is high due to physiological reasons, other indicators are normal, and there is no uncomfortable symptoms, usually it does not matter; if it is pathologically caused by other abnormalities, such as dizziness, fatigue and other symptoms, it is an important situation. 1. Physiological factors: if the patient only shows high platelets, without other abnormal results and symptoms, it may be caused by physiological factors, such as after a full meal, after exercise, menstruation, which can lead to high platelets, usually it does not matter, and has no effect on the body, and can be relieved on its own. 2. Pathological factors: if the patient has high platelets and fever, fatigue, dizziness and other discomforts, it may be caused by certain diseases, such as primary thrombocythemia, chronic granulocytic leukemia, acute infections and so on. At this time, the situation is more serious, the cause of the disease should be clarified as soon as possible, and active treatment. Such as primary thrombocythemia to be oral hydroxyurea, aspirin and so on. If high platelets are detected, in addition to exclude physiological factors, should consult a doctor to identify the cause of the disease and carry out targeted treatment.