Malignant tumors cannot be completely cured with current medical technology, but if the patient does not have a recurrence within five years after treatment, then clinically it is considered to have recovered. Ovarian cancer stage III has the possibility of recovery and should be treated actively with an optimistic attitude. Ovarian cancer stage III can be divided into stage IIIA, IIIA1, IIIA2, IIIB and IIIC, which are late stage cancers. The prognosis of different stages is different. Stage IIIA1 ovarian cancer usually has only retroperitoneal lymph node metastasis, if the surgery is successful and the tumor is sensitive to postoperative radiotherapy and chemotherapy, the possibility of recovery is very high. For stage IIIA2 or above ovarian cancer, the surgery may not be able to remove the whole tumor and there will be some residual. If the tumor is not sensitive to radiotherapy or chemotherapy, the chance of recurrence is very high, and the only way to prolong the survival time and improve the quality of life is through some medical means. Patients with stage III ovarian cancer usually have to undergo chemotherapy after surgery. In recent years, with the emergence of various new chemotherapy drugs, the effect of ovarian cancer chemotherapy is becoming better and better, and some patients can achieve recovery through chemotherapy. Patients should keep hope, adhere to good habits and actively treat.