A soy sauce mash preparation system includes a koji manufacturing equipment, a koji seed importing equipment, a mixing equipment, and a packaging equipment for packaging a soy sauce mash precursor output from the koji manufacturing equipment and the mixing equipment into packaging suits. The soy sauce mash precursor in the packaging suit converts to soy sauce mash in a maintaining equipment after a predetermined period.醬油醪製備系統包含製麴設備、種麴導入設備、混合設備、以及用於包裝自製麴設備及混合設備所輸出之醬油醪前置物於包裝套組中之包裝設備。包裝套組中之醬油醪前置物於預定期間後在維持設備中轉化成醬油醪。100‧‧‧醬油膠製備系統110‧‧‧製麴設備120‧‧‧種麴導入設備130‧‧‧混合設備140‧‧‧包裝設備150‧‧‧維持設備160、170‧‧‧溫度濕度控制設備110A‧‧‧容置部110B‧‧‧輸出部KS‧‧‧種麴130A‧‧‧混合容置部130B‧‧‧包裝輸出部P‧‧‧包裝套組PB‧‧‧包裝件10‧‧‧醬油醪培養原料20‧‧‧麴料30‧‧‧醬油醪前置物40‧‧‧醬油醪