Pit mud and mud fermentation pit are absolutely necessary in the production of Luzhou-flavour liquor, and the quality of pit mud and the proportion of length and width of the fermentation pit are of vital importance in ensuring the quality of liquor. 窖泥与泥窖是生产浓香型白酒必不可少的原料和设施,窖泥质量的好坏,泥窖长、宽比例合理与否,同所生产的浓香型白酒质量息息相关。