The concepts of meridians

channels and network vessels

vessels and networks and network vessel were clarified in this article.Channel（ qi） network and（ blood） vessels and networks together constitute the theory of meridians.The vessels- networks theory has important guidance for the prevention and treatment of vascular diseases.The core of vessels- networks theory is mutual restraint and harmony of construction and defense.The incidence

pathogenesis

pattern differentiation and treatment of collateral diseases were discussed in this article.The pathological basis

physiological basis and clinical evidence- based research of collateral- vascular system diseases are conducted according to mutual restraint and harmony of construction and defense

and remarkable progress has been achieved in prevention and treatment of ischemic cardiovascular and cerebrovascular disease

arrhythmia

and chronic heart failure.