Vomiting and diarrhea in patients with heart failure consider gastrointestinal stasis, acute enteritis, and adverse reactions to heart failure medications. 1. Gastrointestinal stasis: severe heart failure can be developed from left heart failure to right heart failure or pulmonary heart disease people directly lead to right heart failure, there is circulation stasis, including gastrointestinal stasis, there will be poor appetite, nausea and vomiting, diarrhea and so on. Mainly given cardiotonic, diuretic drugs, digoxin, furosemide, spironolactone to correct heart failure treatment. 2. Acute enteritis: eating unclean food leads to acute gastroenteritis, nausea, vomiting, diarrhea. Cefadroxil antibiotics, cefdinir, ceftazidime or quinolone antibiotic levofloxacin can be given to fight infection. 3. Adverse drug reactions in heart failure: digoxin, a digitalis drug used in the treatment of heart failure, when urine, renal insufficiency, accumulation in the body will lead to nausea and vomiting, diarrhea and other adverse reactions, the need to immediately stop using digitalis drugs and timely access to medical care. Heart failure patients with vomiting and diarrhea, we should promptly consult the doctor, improve electrolytes, blood, electrocardiogram and other tests, clear according to the specific causes, according to the doctor’s instructions for medication.