1, the diet should be light, easy to digest, less stimulating. Forbid the use of strong tea, coffee or chili, etc. Eat more fresh vegetables, fruits and soy products. The amount of salt should be controlled (not more than 5g per day) and water should not be too much (about 500-1000ml). In heart failure, the patient’s edema is caused by venous and microvascular stasis, increased extracellular fluid and sodium retention, therefore, it is extremely important to control sodium intake properly. 2. When taking digitalis-like drugs, attention should be paid to the toxic reactions of digitalis. Take a pulse before taking it every day. After taking the drug, nausea, vomiting, diarrhea, weakness, vision has changed, see things yellow, pulse disorder, irregular heartbeat, is the toxic reaction of digitalis, should immediately stop the drug, and go to the hospital for examination and treatment. 3, when taking diuretics, to observe the amount of urine, the general application of dihydrocoumaric or furosemide, in the diuretic at the same time also make the patient excrete a considerable amount of potassium ions, so when taking generally pay attention to the same time to supplement potassium, can be used at the same time to take 10% potassium chloride, twice a day, each time 10 ml. in order to reduce the drug to the stomach stimulation, can be taken after meals or add some fruit juice together. 4, in addition, we should make the patient’s life regular, emotionally stable, mentally happy, avoid tension, excitement. Special attention should be paid to the habit of regular bowel movements, to keep the bowels unrestricted. Constipation often causes anxiety and tension, and forceful defecation can aggravate heart failure, and even the risk of sudden death. If you have habitual constipation, you can take appropriate laxative, such as senna decoction tea, 3g per day; or take 250g of lily, honey, lily with the right amount of water stewed into a paste, add honey and mix and eat once a day.