Introduction: "Gansu of Flavor Origin" is the third part of the documentary series, adheres to the style of "hard core" food, highlights the concept of "origin", excavates a kind of Gansu unique ingredients, food and taste that "nourish the deep boudoir does not know" through the short film, and on this basis, connects the desert, grassland and Danxia geomorphology, and experiences the most rich diet culture and the most yearning characteristic life with the most national characteristics.