Obesity is a multifactorial, chronic disease that occurs with a pathologic increase in the body fat ratio and significantly increases mortality and morbidity. It has become a global health problem with increasing prevalence day by day. Methods used in the treatment of obesity are classified as diet, exercise, lifestyle changes, medical treatments, surgical treatments and endoscopic treatments. Endoscopic treatments are classified as intragastric balloon, transpyloric shuttle, endoscopic sleeve gastroplasty, gastric aspiration, small bowel procedures, duodenal mucosal resurfacing, intragastric botulinum toxin A injection. Although surgical procedures are known as the most effective methods in the fight against obesity today, the frequency and effectiveness of endoscopic treatments are increasing day by day. Endoscopic methods in obesity treatment are promising. There is a need for new methods with high efficacy and reliability, easy application, low complication rate and low cost in the treatment of obesity.