This question involves the fields of food science and taste perception. The fat sausage filled with excrement will not affect its taste, but it can attract people's taste mainly from its manufacturing technology, the use of seasonings, the baking process and psychological factors.

1. First of all, fat sausage containing excrement is usually filled with fat sausage skin or other materials after repeated cleaning and disinfection, which has nothing to do with real excrement.

2. Secondly, the fat sausage itself is rich in protein and fat, which can increase the taste and taste of the fat sausage. In the process of food production, a variety of seasonings and spices are added, such as pepper, bean curd, ginger and garlic, which can increase the flavor and taste of fat sausage. In addition, the baking process will also make the fat sausage crispy on the outside and slightly chewy on the inside, providing different taste and texture.

3. In addition, people's sense of taste and smell are often influenced by other factors, such as culture and psychology. In some cultures, fat sausage is regarded as a kind of food, which makes people have different psychological expectations and taste experiences when they taste fat sausage. In addition, people may have a "taboo" feeling when eating fat sausage, which makes them more excited and stimulated when tasting fat sausage. These factors will also affect the taste and taste of fat sausage.