The present invention relates to a production method of functional livestock products. The production method can be utilized for various food materials by producing livestock products with functionalities of mushrooms and Monascus sp. instead of using cattle bones or pig's hind legs, can promote consumption by increasing utilization as pharmaceutical materials and food additives, and can contribute to the improvement of livestock competitiveness. [Reference numerals] (AA) Inject organic foreign materials；(B1) Step 1 - spawn culturing；(B2) Step 1-1 : preparing agar medium；(B3) Step 1-2 : injecting；(B4) Step 1-3 : spawn culturing；(B5) Step 1-4 : homogenizing spawns；(C1) Step 2 : inoculum culturing；(C2) During liquid aeration culture；(C3) Step for producing aeration culture bottle；(C4) Step for culturing inoculum；(C5) during solid culture；(C6) Step for producing solid medium；(C7) Step for injecting and culturing；(D1) Step 3 : preparing medium；(D2) Using animal bones as medium；(D3) Step for dressing animal bones；(D4) Step for removing fat and foreign substances；(D5) Using haunch as medium；(D6) Step for removing skin；(D7) Step for producing cuts；(EE) Manufacturing a composition after mixing supplementary material；(F1) Step 4 : sealing medium；(F2) Step 4-1 : preparing；(F3) Step 4-2 : adding sugar and glucose；(F4) Step 4-3 : sealing；(G1) Step 5 : sterilizing medium；(G2) Step 5-1 : firstly sterilizing；(G3) Step 5-2 : secondly sterilizing；(H1) Step 6 : discharging moisture and fat, and cooling medium；(H2) Step 6-1 : discharging moisture and fat；(H3) Step 6-2 : cooling medium；(II) Step 7 : injecting inoculum to medium；(JJ) Step 8 : culturing；(KK) Step 9 : cutting and packaging；(LL) Step 10 : freezing본 발명은 가축 도축 후 배출되는 가축뼈 또는 돼지의 뒷다리살을 배지로 활용하여 동충하초, 상황버섯, 차가버섯, 영지버섯, 표고버섯, 노루궁뎅이버섯, 느타리버섯 또는 홍국균 균사체가 배양된 기능성뼈와 뒷다리살을 생산하기 위한 기능성 축산물 생산방법과 관한 것으로, 버섯균사체 또는 홍국균의 원균을 배양하는 원균배양 단계인 제1단계와； 상기 버섯균사체 또는 홍국균의 원균으로 액체 및 고체 접종원을 배양하는 접종원 배양단계인 제2단계와； 배양체가 필요로 하는 영양물질이 되는 배지인 가축뼈 또는 돼지의 뒷
