Alternating pulse refers to a pathology in which the pulse has a normal rhythm but alternates between strong and weak beats. That is, a strong pulse is touched, followed by a weak pulse, then a strong pulse, and then a weak one. Alternating pulses are an important and serious sign of cardiovascular disease and are a sign of myocardial damage, which is evident in the sitting position. It is caused by the left ventricle showing alternating changes in the strength of contraction, which is a valuable clue for the diagnosis of left heart failure and often suggests left heart insufficiency. If the patient supine position, the head tilted upward can appear or become larger. In winter, you can’t just have the wind, not the temperature, you have to pay attention to keep warm and avoid colds. Appearance of fever, anemia, hyperthyroidism and other diseases, must promptly go to the hospital, early detection, early diagnosis, early treatment, do not stay at home avoid medical treatment. If you exclude organic diseases, you can also consider Chinese medicine, find a qualified Chinese medicine practitioner after identification and prescription of symptomatic Chinese medicine. And adhere to the treatment, regular examination is still necessary.