食管胃底静脉曲张(esophageal and gastric varices,EGV)是由各种原因导致门脉高压而形成的门体侧支循环,出血的年发生率为5%~15%,6周病死率为20%,1年内60%患者会再发出血~([1])。近年来,内镜对EGV预防和治疗已经获得较为满意的效果,不仅是诊断门静脉高压消化道静脉曲张及其出血的首选方法,而且是止血和预防再出血的主要措施~([1])。目前用于EGV内镜治疗的方法主要包括:经内镜注射硬化剂治疗(endoscopic injec- Esophageal and gastric varices (EGV) is a portal collateral circulation formed by various causes leading to portal hypertension. The annual incidence of hemorrhage is 5% -15%, and the 6-week mortality rate is 20% 60% of patients will have another episode of bleeding within 1 year. ([1]). In recent years, endoscopic EGV prevention and treatment have been more satisfied with the results, not only is the diagnosis of portal hypertension digestive tract varices and bleeding the preferred method, but also to stop bleeding and prevent the main measures of rebleeding ~ ([1]). Currently used for EGV endoscopic treatment methods include: endoscopic injection sclerotherapy (endoscopic injec-