Environmental cleansing insect which is well known for Black Soldier Fly(BSF), Hermetia illucens egg mass wightby hatch survival rate and animal carcass and pig feces decomposition ability trial and examined survival rate. BSF eggmass examined A-1,2,3 group each 4.56g equivalent condition hatch after survival rate, Survival BSF larva was36,394.67±3,038.863, survival rate average was 64.8%. Put the BSF larva 45,000 into the Python regius carcass showeddecomposition takes 9 days, wight was decreased rate to 67%. Put A-1,2,3 survival BSF larva dived half into pig feces,carcass. Pig carcass, feces each 6.35kg decomposition take 12 days, 14 days, wight decreased rate to 58.8%, 63.2%, Survivalrate showed to 4.87%, 85.6%, one larva per 1.16g, 2.26g pig carcass, feces take decomposition. Since the lack of food,BSF larva didn’t grow more than the pig carcass feed group, extra in 6kg of pig feces feed. Amount pig feces take12.35kg decomposition during 32 days. Manure make 4.2kg.