Diagnosis of right heart failure signs mainly include five aspects: 1, edema is mainly double lower extremity edema; 2, pleural effusion is also caused by heart failure, but more often seen in total heart failure; 3, jugular vein sign is the jugular vein pulsation enhancement, appeared to be full, angry, and liver jugular vein sign is positive; 4, the liver is large and often accompanied by tenderness, and the advanced stage can be cirrhosis, jaundice, and a large number of ascites; 5, cardiac signs, in addition to the original heart disease signs, and right ventricle enlargement led to the tricuspid valve murmur of the heart.