Hypertrophic cardiomyopathy (HCM) is characterized by an increase in left ventricular wall thickness (hypertrophy).Early diagnosis is important as it allows the healthcare provider to prescribe an appropriate level of safe physical activity. The expert consensus on echocardiographic examination standards for hypertrophic cardiomyopathy， written by domestic cardiovascular echocardiograpic experts， introduced in detail the definition and epidemiology of HCM， histopathological and pathophysiological changes， typical echocardiographic manifestations， diagnostic points and precautions， and the application of new echocardiographic techniques in the diagnosis of HCM. This document aims to make echocardiographers better understand expert consensus and the main points of expert consensus are summarized as follows.