Not the same. Soy sauce is a type of soy sauce. Both soy sauce and light soy sauce are brewed, processed, and fermented to form soy sauce. Soy sauce is made by adding caramelized sugar to light soy sauce through a special process. Both soy sauce and dark soy sauce have their own advantages and characteristics.

The word "soy" means "extract" and both soy sauce and dark soy sauce are brewed soy sauce. The difference between them is that soy sauce is made from high-quality soybeans and flour, which are extracted after fermentation and maturation; while dark soy sauce is made by adding caramel color to the soy sauce, and made by a special process to make a thick-colored soy sauce, which is suitable for enhancing the color of meats.

Color: Dark soy sauce is made by adding caramel color, which is very dark, brown and shiny.

Flavor: It has a fresh and slightly sweet feeling.

Use: generally used to color food. For example, it is better to use it when making dishes that need color such as braised.

Making of dark soy sauce: dark soy sauce is based on raw soy sauce, the extracted soy sauce is sun-dried for another 2~3 months, and then precipitated and filtered as dark soy sauce. The taste of the product is richer than that of soy sauce.