When heart failure causes fluid in the abdominal cavity, you should limit your daily water intake, use diuretics reasonably and appropriately, and if the fluid in the abdominal cavity is serious, you need to perform a peritoneal fluid aspiration if necessary. Heart failure is a common complication of cardiopulmonary diseases, common symptoms include swelling, chest tightness and shortness of breath after activity, abdominal distension, and inability to lie down at night, etc. Patients with heart failure have a history of coronary artery disease, high blood pressure, and pulmonary heart disease and other underlying diseases. When heart failure causes abdominal effusion, first of all, the patient due to limit the amount of liquid intake, under the guidance of the clinician, the rational use of diuretics to promote the effusion of fluid from the urine, such as the combination of hypoproteinemia when given to supplement the albumin, after the above treatment of abdominal effusion is still no significant improvement and obvious discomfort symptoms need to be carried out puncture drainage. When heart failure causes abdominal fluid, we should go to the hospital in time, and according to the clinician’s suggestion, we should carry out individualized treatment according to the condition of the patient.