Gastric Sleeve procedure is usually performed under general anesthesia and is performed by a specialist obesity surgeon. The duration of the procedure may vary depending on the person's obesity and health status. After Gastric Sleeve, the person starts to lose weight faster because he eats less food. The healing process may vary according to personal factors, but usually patients can return to their normal daily activities within a few days. In conclusion, Gastric Sleeve (Stomach Partial Reduction) procedure is an effective surgical option in the fight against obesity. It supports the weight loss process by making the person eat less food by shrinking the stomach. However, such surgical procedures require serious decisions and it is important to evaluate the person according to their health status and obesity level. Counseling and expert guidance are essential to achieve the best results in this type of procedure.