The recurrence rate after chemotherapy for high-grade plasmacytoid ovarian cancer is around 70-80%. High-grade plasmacytoid ovarian cancer is a kind of ovarian epithelial cancer with higher malignant degree, which is usually poorly differentiated. It is mainly treated by surgery and chemotherapy. It is more sensitive to platinum drugs, such as cisplatin and carboplatin. Using platinum drugs as the basis of chemotherapy, most of the patients respond well in the initial treatment, but its malignant degree is high, and it is easy to recur, especially in the advanced stage, about 70%-80% of the patients will experience recurrence. Patients must follow the doctor’s instructions for review after chemotherapy, actively cooperate with the doctor’s treatment, relax, and strive to reduce the chance of recurrence.