In analysis exposed the results of treatment 513 patients, operated in Samarkand State Medical Institution’s clinic of surgical separation during for the 10 years (2006-2015y.y). On the occasion of primary the liver echinococcosis were operated 379 (73,9%) sicks. From all the groups of operated patients, 207 patients were limited of limited of surgical operation, chemotherapy were not hold (2006-2008 y). And other 306 operated patients were hold chemotherapy in full content (2008-2015). The frequency of recurrence of the patients without chemotherapy has formed 9,7%(n=20). Patients after prophylactic chemotherapy recurrences noted only in 3(0,9%) events. The primary operation on cause of the liver echinococcosis without supporting phylactic chemotherapy, held on in condition of the modern high-tech surgical institution, does not guarantee from recidivation of the disease.