The name "Old Mature Vinegar" reflects Shanxi Mature Vinegar's particular emphasis on brewing time and space techniques, and its essence is reflected in the name. Li Yuming, president of the Sanjin Cultural Research Association, believes that the words "Lao" and "Chen" are very meaningful. To make a jar of mature vinegar, it has to go through more than 80 processes, including grinding, steaming, fermentation, leaching, and aging. It can be called "old"; and "Chen" refers to "aging". The finished vinegar is placed in a vat and needs to go through more than 80 processes. The concentration of several degrees of exposure to the sun in the summer and ice in the winter. Through these processes, the vinegar liquid is continuously evaporated due to sunlight, the water is continuously reduced by fishing for ice, and the aroma components are gradually transformed, and the insoluble matter is precipitated to clarify the vinegar liquid, and finally the aged finished product is obtained.

According to experts, Shanxi began to make vinegar in the Zhou Dynasty. There are many famous vinegars in history, and Shanxi mature vinegar was created in the first year of Hongwu in the Ming Dynasty. Authentic Shanxi mature vinegar is only processed from high-quality grains without using any additives. The aging time of mature vinegar is more than half a year, while the aging time of mature vinegar is more than 9 months to 12 months, or even 3 to 5 years.