ECHINOCOCCUS GRANULOSUS IS DOG’S SMALL INTESTINE CESTODA.THE LARVA STEPS OF THIS PARASITE BY NAME HYDITID CYST LIVES IN AN AGENT HOST’S DIFFERENT ORGANS (LIVER, KIDNEY AND LUNG) LIKE RUMINATORS AND HUMAN AS WELL. IN IRAN MOST OF THE SHEEP DOGS CONTAMINATE TO ECHINOCOCCUS PARASITE AND CAUSE TO PASTURE CONTAMINATION BY EXCRETING EGG. SHEEP’S GRAZING IN CONTAMINATION PASTURES CAUSES ANIMAL TO SUFFER CYST AND ALSO VEGETABLE’S CONTAMINATED DOGS LEAD TO SUFFER HUMAN WITH HYDITID CYST MUCH MORE CONTAMINATION WAS DETERMINED IN THE FIRST INSPECTION AFTER SLAUGHTER. THE ANNIHILATION AND DEVASTATION OF CONTAMINATED ORGANS IN SLAUGHTER HOUSES CAUSE TO ECONOMICAL DAMAGES AND ALSO REDUCE THE PRODUCTIONS IN COUNTRYTO REFER CONTINUALLY TO INDUSTRIAL SLAUGHTERHOUSE IN ESLAM ABAD GHARB AND TO HAVE ACCESS TO THE REGISTERED SLAUGHTER STATISTIC OF VISCERA, SOME RESULTS HAVE OBTAINED BY SUPERVISORS IN 1391 THAT SHEEP’S ORGANS WERE CONTAMINATED IN SPRING %(22.41) IN SUMMER (23,56) IN FALL% (12.64) AND IN WINTER %(11.94). OF 6890 HEADS OF SLAUGHTERED SHEEP,%(17.67) WERE REPORTED AS CONTAMINATED. THE NET RESULTS INDICATE THE HIGH RANGE OF SLAUGHTERED CONTAMINATION SHEEP IN ESLAM ABAD GHARB INDUSTRIAL SLAUGHTER HOUSE.THE CAUSE OF HIGH CONTAMINATION IN SHEEP RESULTS FROM THE HIGH CONTAMINATION OF REGION’S DOGS AND LACK OF TREATMENT.