Apple cider vinegar is a beverage made from apples through processes of alcoholic fermentation and acetic acid fermentation. It has a sweet and sour taste with a rich fruity aroma and is often used for culinary seasoning to add a unique flavor to dishes. It can also be used in salad dressings and marinades, or enjoyed as a drink to refresh and cut through greasiness. There are various common specifications available, including convenient 250-330ml cans or bottles for individual use, 500ml-1L packages suitable for daily family use, and 2L and above large桶装 for large-scale usage in catering establishments. The main material, apples, are rich in various vitamins and minerals. After fermentation, they produce organic acids such as acetic acid and malic acid, as well as bioactive substances like amino acids and vitamins, which not only give apple cider vinegar its unique flavor but also provide potential health benefits such as promoting digestion, regulating blood sugar, and beautifying the skin.