The recurrence rate of ovarian cancer stage 1b is about 10-~20%, and the prognosis mainly counts the 5-year survival rate after operation, chemotherapy should be carried out after operation and regular review, such as imaging examination and hematology examination. Stage 1b ovarian cancer belongs to the earlier stage, the tumor of this stage is confined to ovary or fallopian tube, the envelope is intact, and there is no infiltration of tumor tissue on the surface of ovary or fallopian tube. Surgery is preferred after diagnosis, and the general 5-year survival rate after surgery can reach 80-90%, and the recurrence rate is about 10-20%. For ovarian cancer of this stage, it is necessary to choose the corresponding surgical method according to the patient’s fertility requirements, and after the operation, it is necessary to carry out 6 cycles of platinum-containing regimen chemotherapy, which includes cisplatin, carboplatin and so on. After the treatment of ovarian cancer stage 1b is finished, regular review should be carried out, such as ultrasound, CT, MRI, blood tumor index and other tests, as the basis for determining whether there is recurrence. For patients with stage 1b ovarian cancer, it is recommended to go to regular hospitals for standardized treatment in time to avoid delaying the condition.