Jugular vein filling is usually the result of physical examination, jugular vein filling should be alert to the occurrence of a number of diseases, such as right heart failure, superior vena cava syndrome, pulmonary heart disease, etc., should be promptly consulted to identify the cause of the disease. 1, right heart failure: right heart failure is due to right ventricular filling or ejection disorders, not enough to provide the body with cardiac output when the clinical syndrome, the patient by physical examination of the jugular venous pulsation can be seen on visual examination, filling, anger, but also by the hepatic jugular venous reflux sign of a positive performance. When jugular venous filling and hepatomegaly occur, lower extremity swelling, ascites and other symptoms may appear. 2. Superior vena cava syndrome: the superior vena cava is large and the wall is thin, due to tumor invasion or compression of the superior vena cava and other factors, it can lead to lumen narrowing, obstruction or thrombosis and produce superior vena cava syndrome. Patients may have vascular lesions, which are manifested as swelling of neck and face, followed by jugular vein filling, anger and cervico-thoracic superficial varicose veins, as well as chest tightness, shortness of breath and other symptoms. 3、Pulmonary heart disease: bronchial-lung tissue, pulmonary vascular disease, etc. lead to increased pulmonary vascular resistance, resulting in pulmonary hypertension, followed by changes in the right ventricle structure and function, the patient may also appear jugular venous filling, anguish and so on. In addition, rheumatic heart disease, pericardial effusion and other diseases can also lead to jugular vein filling, but this manifestation alone is not enough to diagnose the disease, the patient should pay attention to timely consultation, identify the cause of the disease, and if necessary, the doctor to give the corresponding treatment.