With the development of information technology，liquor industry has entered the stage of digital intelligent transformation. This report found that wine companies have experienced rapid development in brewing technology and digital construction of marketing，and all wine companies have carried out the expansion and exploration of online sales channels. This report analyzes the development background and practical application of intelligent brewing，as well as the development process of digital marketing. It is found that in the process of digital transformation of liquor industry，there are still problems such as lack of professional talents，data security guarantee，and effective data management. The digital development of liquor industry and the whole industrial chain still has a long way to go. Accordingly，this report puts forward corresponding suggestions that the digital development of liquor industry should focus on the digital transformation of the whole supply chain，strengthen the construction of digital channels and terminals，and improve the digital development of the whole supply chain. The advent of the “Internet plus” era is both an opportunity and a challenge for the liquor industry. Taking advantage of the trend to carry out digital and intelligent transformation，it will help the liquor industry achieve transformation and upgrading.