If only the platelet pressure is minimally low, it does not usually have a serious effect on the body. Objective factors and pathologic factors can lead to low platelet pressure volume. 1. Low platelet pressure may be caused by objective factors such as rehydration, which increases the plasma volume in the blood and causes platelets to be diluted. 2. Low platelet pressure may also be caused by the influence of diseases, such as aplastic anemia, acute leukemia, myelodysplastic syndrome and thrombocytopenic purpura. Due to the damage of hematopoietic stem cells, resulting in impaired platelet production and low pressure accumulation. In general, only a trace low platelet pressure volume is usually not a serious impact on the human body, but only by virtue of the low platelet pressure volume, it is not possible to definitively diagnose a certain disease. Therefore, it is recommended to combine red blood cells, white blood cells, hemoglobin and other tests to assist in the diagnosis, can also be given to the bone marrow cytology examination, after the doctor confirms the diagnosis and then carry out the relevant treatment. There are many reasons for low platelet count, so it is important to consult a doctor to find out the cause of the disease, and then give different treatments under the guidance of the doctor according to the specific cause of the disease.