Ye Tianshi

a famous doctor in the Qing Dynasty

had not only profound attainments in the clinical diagnosis and treatment of warm diseases

but also distinctive understanding and insights into constitution.Case Records as a Guide to Clinical Practice advocated that constitution differentiation should be prior to disease treatment and disease differentiation should observe the yinyang principle.Given that various factors may affect the constitution

the evaluation and treatment of the constitution is related to the formation of prescriptions and medication.In addition

dietary indication and contraindiations should also take consitution into considertaion.The ideas concerning consititution are unique and are still enlightening to the current clinical practice. Abstract