Illumina Miseq technology was used to study the microbial community structure and diversity of Fu brick tea made in different regions. The results showed that the bacterial species of Fu brick tea were various, which consisted of 9 phyla, 16 classes, 29 orders, 50 families, 66 genera, and Lactococcus was dominant fungi. The prokaryotic microbial abundance and diversity of Fu brick tea made in Hunan were highest. Fungi analysis results showed that there were 2 phyla, 6 classes, 6 orders, 7 families and 7 genera, and the Aspergillus was the absol...