According to the theory of traditional Chinese medicine, there are some patterns of syndrome that lead to thrombocytosis.1) Deficiency of both qi and yin2) Deficiency of spleen and stomach3) Phlegm-heat of spleen and stomach4) Deficiency of liver-yin and kidney-yinOur TCM clinical practice has showed that integration of Chinese medicine and western medicine is a very good choice for this disease. When treating thrombocytosis, Chinese doctors will take everything into consideration, including the following conditons. 1. Rheumatoid disease 2. Vitamin E deficiency 3. Primary thrombocythemia, acquired 4. Temporal arteritis 5. Kostmann disease 6. Thrombocytosis, autosomal dominant 7. Benign familial microcytic thrombocytosis 8. Diamond-Blackfan anemia 9. Pseudothrombocytosis 10. Paraneoplastic syndrome 11. Surgery complication 12. Acute phase reaction 13. Wegener's granulomatosis 14. Castleman's disease 15. Thrombopoietin