High platelets, it is recommended to hang up the hematology department to rule out oncological diseases and diseases of the blood system. High platelet count may be caused by proliferative diseases or tumors of the bone marrow, such as primary thrombocythemia, chronic myeloid leukemia, early stage of primary myelofibrosis, and true erythrocytosis, all of which can cause high platelet count. Some common factors such as acute blood loss, trauma, non-infectious inflammation, etc. can also cause high platelet counts, and other components of the blood such as white blood cells and red blood cells need to be counted, which will help to further define the cause of the disease. If high platelet count is found during physical examination, it is recommended to go to the hospital in time, hang up oncology or hematology, and follow the doctor’s instructions to standardize the treatment.