One of the most popular abdominal diseases is an acute cholecystitis. that’s why is very actual in acute cholecystitis the study of clinical features in the older age group of patients in improving of preoperative diagnosis and adequate option of treatment. In the research were involved 1273 patients, wiich were the patients during 2007-2014 years in Medical center of Yerevan, department of Laporacopic surgery, who suffered from acute cholecystitis. Research findings from the data analysis allows us to assume that the characteristics of the older age group of patients during the acute cholecystitis are difficult to do some surgical intervention and it needs very clever prediction for treatment.