According to 39 Health Network, the cold vinegar is rice vinegar. Rice vinegar is brewed from rice. Its vinegar is clear and transparent, soft in taste, lighter than other vinegars, and has a certain sweetness in its sour taste. According to this characteristic, it is especially suitable for making sweet and sour dishes, which can make the sour and sweet taste of cold salad more natural and delicious.

Vinegar is an acidic condiment made from grain, fruit, etc. by fermentation, which has a strong sour taste and unique fragrance.