肝硬化上消化道出血大多数由于食管胃底静脉曲张破裂所致,常表现为呕血与黑便[1],若出血量少,仅有黑便。本病发病突然,发展迅速,如抢救不及时,可危及生命。近年来,许多学者探讨了肝硬化上消化道出血与季节、气温、昼夜的关系,并提出了有效的防护措施,现综述如下。1肝硬化上消化 Most of the cirrhosis of upper gastrointestinal bleeding due to esophageal varices caused by rupture, often manifested as vomiting and melena [1], if less bleeding, only melena. Sudden onset of the disease, the rapid development, such as rescue is not timely, can be life-threatening. In recent years, many scholars have discussed the relationship between cirrhosis and upper gastrointestinal bleeding, the season, temperature, day and night, and put forward effective protective measures, are summarized below. 1 liver cirrhosis digestion