Some common anesthetic drugs can cause vomiting, for example, opioids are the most important analgesic component in the clinic, and opioids are necessary as long as general anesthesia is done. Opioids can cause nausea and vomiting, laughing gas can cause nausea and vomiting, and neostigmine is an antagonist of muscarinic drugs, which can also cause nausea and vomiting, so anesthetics can cause nausea and vomiting. There are also some risk factors for nausea and vomiting, such as patients undergoing laparoscopic surgery, laparoscopic surgery is minimally invasive surgery, the proportion of minimally invasive surgery in the clinic will be increasing, laparoscopic surgery pneumoperitoneum with carbon dioxide to achieve, playing pneumoperitoneum of carbon dioxide will cause nausea and vomiting. Young women are a high-risk group for nausea and vomiting, and the categories of surgery such as obstetrical and gynecological surgery have a higher chance of nausea and vomiting. In summary, the combination of anesthetic drugs, patient and surgical factors can all cause nausea and vomiting.