There were many nationalities in China between Han Dynasty and Tang Dynasty. Every nationality had its own distinguished feature in diet. The regional and national features consist of the objective base of dietary culture' s communication and mergence, especially in a unitary multi - national state. This paper mainly discusses the contents and influences of the communication in dietary materials between Hu nationality and Han nationality. On the one hand, the dietary materials in West and North minority nationalities, called Hu Food by Han Dyn...