Real. According to the query of the official website of Yauzan. Liu Lingdrunken strictly adopts the traditional old five heavy technology, through the mud pool old cellar, solid low temperature, long-term fermentation, slow fire distillation, quantity and quality of picking wine, graded storage, carefully brewed. Liu Ling drunken wine originated in two sixty-eight AD Wei Jin period, a long history, in 1948 in the ancient burning pot on the basis of the establishment of state-owned distilleries, for the national key cultural relics protection units.