Introduction: Vomiting is a postoperative complication in all bariatric surgical interventions since the focus of the procedure is related to the stomach, research efforts are required to reveal the best management course for this issue.   Aim of the work: The primary study objective is to assess the percentage of postoperative vomiting occurrence after laparoscopic bariatric surgeries for two months, its causes with investigations and ways of management.   Patients and methods: The current research study is a retrospective clinical research trial that recruited 100 cases. All study subjects have undergone Laparoscopic Bariatric Surgeries over a 6 months period in Ain Shams University Hospitals during the period from December 2017 to June 2018.   Results: A large percentage of patients (39%) developed Postoperative Vomiting during the first 48 postoperative hours. While (4%) of cases who continued to suffer from Vomiting during the postoperative 2 months.   Conclusions: Postoperative vomiting after Laparoscopic Bariatric Surgeries (LBS) represents a considerable complication which occurs commonly. Vomiting of medical causes responds well to centrally acting antiemetic and to a lesser extent, endoscopic and surgical interventions were required for technical problems.