When diagnosed with ovarian low differentiated cancer, one should actively cooperate with doctors for treatment, and the current treatment methods include surgery, chemotherapy, targeted therapy and radiation therapy. 1. Surgery: generally, surgery is preferred, and the surgical method is to perform adnexectomy of the affected side or bilateral adnexectomies on the basis of comprehensive surgical staging. 2. Chemical therapy: commonly used drugs include cisplatin, cyclophosphamide, paclitaxel, etc., which can eliminate residual lesions and relieve symptoms. 3. Targeted therapy: commonly used drugs include vascular endothelial growth factor inhibitor bevacizumab, etc., and first-line PARP inhibitors such as olaparib, etc., which can be used as adjuvant therapy for the combination of initial chemotherapy. 4. Radiotherapy: palliative local radiotherapy is feasible for patients with recurrence. It is recommended that patients actively cooperate with doctors to prolong survival.