At present,the prevalence and mortality of cardiovascular diseases in the world are increasing day by day.It is found that the evolution of cardiovascular disease is closely related to the degree of retinal artery sclerosis.Through the performance of fundus blood vessels,we can understand the vascular diseases of the whole body.This paper discussed the visual network based on the theory of'the eye is the messenger of the heart'in traditional Chinese medicine The relationship between retinal arteriosclerosis and cardiovascular diseases is discussed from the theoretical basis of'the eye is the m...