Abstract: From the perspective of cultural succession and interpretation,local knowledge needs historical narration,and its value pursuit is the historical memory of local people;only with the help of local language symbols can historical narration of local knowledge form a text description of trans-cultural interpretation,therefore its cognitive features are essential;text description in the succession sense mainly refers to the coding process of word (or logo) symbols,and it is the main form of historical narration of local knowledge.

Key words: local knowledge, historical memory, historical narration, text description