The formula knowledge base of Treatise on Cold Pathogenic Disease（伤寒论）was established according to extraction and standardized expression of the concept of formula name and composition based on formal concept analysis and traditional TCM literature research.The generation and optimization of formal context was conducted according to the concepts of formula

medicinal and formula-medicinal relationship in the knowledge base.The overall knowledge discovery of formula

medicinal and formula-medicinal relationship in Treatise on Cold Pathogenic Disease（伤寒论）was achieved according to complex concept networks.