Our taste inspiration often appears in some hidden places. The new knowledge gained from storage is passed down from generation to generation, forming food customs and sculpting the Chinese food civilization. Little do we know that behind the experience is a dialogue with time and a bond with microorganisms, which trains us to have a pair of eyes that can penetrate changes. Open the channel between the microscopic world and taste aesthetics, and let us embark on a journey to explore the mystery of natural transformation.