Heart diseases can cause coughing and coughing sputum for the following main reasons: 1. Heart failure caused after various heart diseases can cause alveolar and bronchial mucous membrane stasis, stimulating patients to cough and cough white plasma sputum, sometimes with blood, which can easily occur at night in the lying position and can be easily relieved by changing the position such as sitting; 2. Heart diseases can easily be complicated by infections, especially heart failure, where the organism 2. Heart diseases can easily be complicated by infections, especially heart failure, where the various organs are in a state of relative lack of blood supply and resistance is reduced, and the bronchial mucosa is easily infected with bronchitis, causing coughing; 3. Various heart diseases or hypertension can cause coughing if the left atrium is enlarged and the left atrium compresses the neighboring organs and if it compresses the left main bronchus.