A kind of manufacturing method of the nutriment containing common house-fly grub of what is closed in system of the present invention,Step includes: (1) making to grow under the environment that plural 18 ~ 35 DEG C of housefly adult flies what temperature and humidity are 50 ~ 80% and produce fly blow； (2) compost is provided,Fly blow is inoculated with the what compost,The compost system includes at least soya bean and dairy produce,Culture to fly blow hatching is larva at 20 ~ 35 DEG C of what； (3) larva is set into what one with a thickness of on 4 ~ 10 centimeters of Pig dung and urine,At 20 ~ 35 DEG C of what,Larva food is set to decompose Pig dung and urine； And 2 ~ 3 days Hous of (4) what,Larva is collected,Through hot water treatment and it is dehydrated,Obtain a nutriment for containing common house-fly grub. It only needs to can be prepared by within about 5 ~ 7 days the common house-fly grub containing abundant protein by this method, in addition what animal feed.本發明係關於一種含家蠅幼蟲之營養物質的製造方法，步驟包含：(1)使複數隻家蠅成蠅於溫度為18~35℃且濕度為50~80%之環境下生長並產蠅卵；(2)提供一培養料，將蠅卵接種於該培養料，該培養料係至少包含黃豆與奶製品，於20~35℃下培養至蠅卵孵化為幼蟲；(3)將幼蟲置於一厚度為4~10公分之豬糞尿上，於20~35℃下，使幼蟲吃食分解豬糞尿；以及(4)於2~3天後，收集幼蟲，經熱水處理並脫水，獲得一含家蠅幼蟲之營養物質。藉由該方法只需約5~7天即可製得含豐富蛋白質之家蠅幼蟲，以供添加於動物飼料中。
