Cheese oil flavoring food additive essence. Utilizing multi-stage aroma generation technology of enzymatic hydrolysis, fermentation and thermal reaction, it precisely captures the unique rich milk aroma, full fermentation acid aroma and rich fat sensation of natural cheese after concentration and maturation, presenting a rich and layered cheese compound flavor. The top note is rich and penetrating, the body note is full and long-lasting, the aftertaste is clean with lingering aftertaste, highly replicating the characteristic flavor layers of mature cheeses such as cheddar and parmesan, as well as the fusion of milk fat.