Stage 1a ovarian clear cell carcinoma is also treated with chemotherapy after surgery in order to prevent recurrence and metastasis after surgery. Ovarian clear cell carcinoma is relatively high in malignancy and may recur and metastasize even after early surgery, so chemotherapy is still recommended for stage 1 patients after surgery to prevent recurrence or metastasis. Clear cell carcinoma of ovary is a type of epithelial ovarian cancer, accounting for 6% of all ovarian tumor cases, and is a malignant tumor. Patients with stage 1a clear cell carcinoma of the ovary should be treated with chemotherapy under the guidance of physician’s consultation, and if they feel unwell, they should contact the attending physician in time to avoid adverse results.