Stage I chemotherapy regimens for ovarian cancer include paclitaxel + carboplatin, liposomal doxorubicin + carboplatin, docetaxel + carboplatin and so on. 1. Paclitaxel + Carboplatin: Paclitaxel and carboplatin are injected intravenously on the 1st day of each chemotherapy cycle according to the recommended dosage, and every 3 weeks is a chemotherapy cycle, which may have the side effects of allergy, leukopenia, nausea, vomiting and so on, and is forbidden to those who are allergic to the drug, and the application of dexamethasone is needed to pretreat the drug before the application of Paclitaxel in order to minimize the occurrence of allergy and other adverse reactions. 2. Doxorubicin Liposome + Carboplatin: Doxorubicin Liposome and Carboplatin are injected intravenously according to the recommended dosage on the first day of each chemotherapy cycle, and every 4 weeks as a chemotherapy cycle, there may be side effects such as alopecia, cardiac muscle injury, leukopenia, etc. It is forbidden for those who are allergic to the drug, Doxorubicin Liposome needs to be diluted with 5% dextrose injection, and other diluent may cause the drug to precipitate. 3. Docetaxel+Carboplatin: Docetaxel and carboplatin are injected intravenously on the 1st day of each chemotherapy cycle according to the recommended dosage, and every 3 weeks is a chemotherapy cycle, there may be side effects such as fatigue, mucositis, hypotension, muscle pain, etc., and it is forbidden to use for those who are allergic to the drug, and it is also necessary to take pre-treatment of dexamethasone tablets before Docetaxel is used to minimize the allergic reaction. The above regimen is the first stage chemotherapy regimen for ovarian cancer, there may be other regimens, such as albumin paclitaxel + carboplatin, etc. Each regimen has different recommended dosage and dosing cycle, and also has different adverse reactions, patients are recommended to choose and apply them under the guidance of doctors.