This study is a randomized, double-blinded, placebo-controlled trial which determines the efficacy of Ginger in reducing post operative nausea and vomiting in infertilized women after gynecologic laparoscopic surgery. A total number of 100 patients, aged between 20 to 50 years who were satisfied in participating in this study and referred to Tehran Taleghani Hospital for gynecologic laparoscopic surgery have selected. If they have the following features, will be excluded from the study: patients with ASA grade 3 and above, diabetic patients , smokers, patients with a history of gastriintestinal tract problems, consumers of calcium channel blocker drugs or anticoagulant drugs such as aspirin, warfarin, and ... , Alcoholics. Clinical outcomes in this study are post operative nausea and vomiting . The patients are divided into two groups by random allocation. Group A received two capsules of placebo. The patients in group B receive two capsules of Ginger (each capsule contained 250 miligram of powdered Ginger).The intensity of nausea is measured with verbal 11-point numeric rating scale (NRS) and the vomiting by the times of each episode of it by asking from patients at 0-2-6-24 hours after surgery.