A low platelet volume distribution width generally indicates that the platelet volume in the peripheral blood is relatively uniform in size, i.e., the platelets are highly homogeneous. If the platelet volume distribution width is simply slightly low and other indicators do not show abnormalities, there is no need to worry too much. However, if other indicators such as platelet count are abnormal, further examination should be conducted to clarify the cause of the disease. 1. Platelet volume distribution width is a parameter that reflects the variation of platelet volume in the blood, and the test result shows that the indicator is low. It usually indicates that the volume of platelets in the blood is highly homogeneous. If the number of platelets is normal at this time and there are no obvious uncomfortable clinical symptoms, there is basically no greater clinical significance, and regular rechecking will be fine. 2. If the width of platelet volume distribution is obviously low and the number of platelets is also obviously reduced, it may be aplastic anemia, acute leukemia and other hematological diseases caused by abnormal bone marrow hematopoietic function, and then it is necessary to further improve the relevant examination. Specific diagnosis and treatment should be carried out under the guidance of physicians to avoid delaying the condition.