The concept of "post-brewing" was proposed for the first time in the industry, that is, the process from new wine to finished original wine in the brewing process of rice wine, the integration of storage classification technology, solid state distillation key technology and precision directional fractionation technology, and the establishment of a set of environmentally friendly brewing technology, the production of high-quality rice wine base wine and high-quality seasoning wine base wine, improve product value. Through the application of new technology and fine management, the project has improved the quality of raw wine, enriched the types of base wine, and provided technical support for the improvement of rice wine quality and the adjustment of product structure.