The acidity index of Hua Liu Mei is 6 degrees, which is the sourest among all the flavors of Hua Liu Mei. The acidity index is thoughtfully marked on the back of the packaging of Hua Liu Mei. There are 14 flavors of Liuliumei, and each flavor has a corresponding acidity index, ranging from 1 degree to 6 degrees. For example, the acidity index of the original green plum is 3 degrees, which is medium acidity; the acidity index of the classic snow plum is 2 degrees, and the taste is sweet.

Liu Liu Mei focuses on the green plum category and has successively developed original green plums, snow plums, black plums, Chinese plums, clear plums, green tea flavored green plums, pineapple flavored green plums, coffee flavored green plums, honey flavored green plums, brown sugar flavored green plums, and nine-flavored green plums. There are 14 best-selling flavors including Zhimei, Lover's Plum, Yangmei and Prune.

Liu Liu Mei has been focusing on the research and development of green plum food since 2005. In Liuliumei's products, the proportion of natural organic acids per 100g reaches about 1-2%, and dietary fiber accounts for about 16-30%, creating a healthier and more natural green plum snack.