The theory that the liver and heart are closely related to the physiology and the pathology is originated from "Nei Jing" and "Nan Jing",and it has been inherited and developed by practitioners of later generations.The influences between the liver and heart are mainly in the aspects of the five elements,qi and meridians.The theory that treatments of heart disease from regulating the liver can be found in many ancient medical books,and it has been widely applied by modern clinical doctors.Many cases which successfully applied the method of regulating liver in common cardiovascular diseases can be readily found.This paper summarizes the relationship between the liver and heart and sums up the clinical treatments of the common cardiovascular diseases,so as to provide reference for clinical work.