The nationwide fight against the epidemic is about to usher in victory. Although the number of new crown cases abroad is still increasing, we believe that science and technology, scientific applications, and scientific inclusiveness can speed up the fight against the epidemic. We also wish the victory of this global fight against the epidemic come soon. This professional review shared with you today will officially open a new scene in the era of [post-anti-epidemic] Biooda Biosciences serving the society. As a bioscience company that integrates probiotic research, production and supply, Biodep Biosciences began to plan research on the intestinal and chronic diseases of middle-aged and elderly people at the beginning of its establishment. "A Review of the Brain-Gut-Microbiome Axis and the Potential Role of Microbiota in Alzheimer's Disease" was published in the "Journal of Alzheimer's Disease" in November 2019. This article is about Alzheimer's disease. The relationship between (Alzheimer's disease, AD) and the intestinal flora was discussed and elaborated in depth. BIOCG® Biodep is a gift for the health of all mankind.