In addition, the injection of hemostatic injection with adrenalin (epinephrine) 1 / 10, 000 is also used in clinical practice, due to its good hemostatic effect, safer than other solutions (absolute alcohol, polidocanol...) In our country in recent years, clip techniques and adrenaline1/10, 000 injection of hemostasis in endoscopy to treat gastrointestinal bleeding have been mentioned through studies.