White vinegar's acidity is too sharp, a little pungent feeling, and the aroma is not enough, and the color of aged vinegar is too heavy for black, the color of preserved garlic is not turquoise, black is not good, and rice vinegar is the vinegar of grain brewing, the taste of the acid is a little bit sweet, the color is light or colorless, it's easy to make the garlic's color green, and the taste of the taste of the acidity and spiciness is moderate, and it has the appropriate aroma and sweetness, so the rice vinegar is better. Aroma and sweetness, so it is better to use rice vinegar.