Platelet test results are related to different time periods, different hospital machines and other factors. If they are within the normal range, they belong to the normal physiological fluctuation of the indicators and have no clear clinical significance. Platelet is one of the more important indicators in routine blood tests, produced by the megakaryocytes in the bone marrow hematopoietic tissue, with the promotion of hemostasis, accelerated coagulation, maintaining the integrity of the capillaries, mainly reflecting the body’s hemostatic function is normal. Clinically, the value of platelets may be different every time, mainly related to the collection time, the examination machine and other factors have an impact, platelets are not a stable value, and physiological fluctuations can occur. However, too low or too high platelets may cause diseases, such as thrombocytopenic purpura, primary thrombocythemia, etc., which need to be clearly diagnosed under the guidance of a physician and treated in a timely manner.