Currently ovarian cancer stem cells were found in ovarian cancer cell line, ovarian cancer and patients with advanced ovarian cancer ascites, it may he involved in the tumorigenesis of ovarian cancer, and it is the root of metastatic ovarian cancer, recurrence and escape from chemotherapy mechanism. With the deep research on the biological behavior of ovarian cancer stem cells, new treatment strategies were expected to produced, immunological methods targeting ovarian cancer stem cells may be an important measure. The clini- cal principle of th...