Initial sauce refers to the initial sauce extracted from fermented soy sauce, which is delicious and clear and transparent in color. This kind of soy sauce is mostly used for seasoning dishes. Because it tastes delicious and clear, it is called "soy sauce".

First-pass soy sauce is the product of modern squeezing technology, which has been changed into "first-pass natural crude oil", meaning the most essential part of soy sauce and the part with the highest nutritional value.