Heart failure is not serious patients can walk more than 10,000 steps a day; heart failure serious patients can not walk more than 10,000 steps a day. Heart failure is heart failure, according to the New York Heart Association (NYHA) standard heart function can be divided into four levels. Heart function class Ⅰ and Ⅱ, belongs to the heart failure is not serious, that is, there are patients with heart disease, in the state of rest without obvious conscious symptoms, general physical activity can cause excessive fatigue, palpitations, asthma or angina and other symptoms. This period of time patients are able to walk more than 10,000 steps a day. Cardiac function class Ⅲ and Ⅳ belong to the more serious condition, cardiac function class Ⅲ patients may have angina pectoris, palpitation, shortness of breath, etc. after general intensity exercise; cardiac function class Ⅳ patients, can not engage in any physical activity, resting state have heart failure symptoms. At this time the patient because of the decline in cardiac function, can not tolerate a day to walk more than 10,000 steps of physical strength. Heart failure patients must go to the hospital cardiology department as soon as possible, improve the relevant examination to clarify the condition, under the guidance of the doctor active treatment, to avoid progressive decline in heart function.