This descriptive exploratory research aims to analyze the effects of bariatric surgery in the lifestyle of people with class III obesity in the workplace, through individual interviews with patients undergoing gastric bypass in gamma-Rouz. Data collection was conducted in June and July, 2011, by means of individual interviews, yielding three Collective Subject Discourse: "More willingness to work" "Life without comorbidities" and "Other effects of bariatric surgery." 30 patients with mean age 44 +/- 12 years old, 24 (80%) female, 19 (63%) performed paid professional activities, 10 (34%) did not work and one (3.3%) students, 23 (96%) hypertension and eight (33%) with a diagnosis of diabetes mellitus were included in the study. Difficulty handling with physical appearance: 13 (43%) and the emotional aspect: 21 (70%). Bariatric surgery positively affected the lifestyle of obese at work with reduction in comorbidities and physical and emotional problems, favoring social and professional reintegration of the individuals.