Study the Safety and Efficacy of "Compont Medical Glue" in the Treatment of Esophagogastric Varices

Inclusion Criteria: * Esophagogastric varices caused by portal hypertension with or without history of bleeding and no matter whether emergency bleeding. * Patients may need to receive injection of histoacryl. * Have signed informed consent. Exclusion Criteria: * Allergic to formaldehyde or cyanoacrylate. * Women who are pregnant or breast-feeding. * With contraindications of endoscopic exam. * Computed tomography(CT)/Computed tomography angiography(CTA) shows that patient with severe portosystemic shunt. * Large amount of blood accumulated in the stomach severely affects the endoscopic vision clarity. * Other reasons that researcher think the patient is unsuitable for participating in the study.