Background: Obesity is established worldwide health problem. One of the methods to manage it is bariatric surgery. Our study aim is to determine the complications of bariatric surgery at Medina, KFH from surgical overview and compare the results with other studies.
 
 Objectives: To identify the most common health needs indicating bariatric surgery and the health impact of these procedures on them. And to determine the types of intra and postoperative complications can occur due to bariatric surgery.
 
 Methodology: This is an analytical retrospective study of the patients who underwent bariatric surgery in KFH, Medina, K.S.A, from 2010-2017. Data was gained from the hospital medical records between 8th – 16th April 2018. It had been typed into an excel 2010 program, and statistical analysis done by statistical package for the social sciences (SPSS v.21) for windows.
 Results: 154 patients underwent bariatric surgery in KFH, 78.6% of them are female and 21.4% are male. The mean BMI is 49.69 ± 9.386. 29.9% of them are previously diagnosed with chronic illnesses HTN 38.7%, DM 30.1%, IHD 2,2%, and others 29.0%. Regarding the type of operation gastric sleeve done approximately 96.1%, adjustable gastric banding approximately 3.3%, Roux en Y gastric bypass approximately 0.7%. With 0.0% intraoperative complication and 3.8% postoperative complications.
 
 Conclusion:In KFH Medina, bariatric surgery had a good effect on gynecological conditions. No mortalities or intraoperative complications. We recommend more studies to study the effect of bariatric surgery on DM and HTN in Medina in a longer period.