When the patient’s sputum is sticky and not easy to cough up, expectorant drugs can be used, such as ambroxol, eucalyptus pinane, acetylcysteine. If the patient is unable to cough up sputum due to an acute attack of bronchial asthma, a large amount of rehydration fluid can be given to promote the discharge of sputum, and at the same time, the relevant examination should be completed to clarify the cause of coughing and coughing sputum, and make the appropriate treatment. If the patient is due to bacterial infection and coughing sputum, need to use antibiotics for treatment. If the patient coughs and coughs up white sputum because of cough variant asthma, oral montelukast sodium and inhalation budesonide formoterol can be used. If the patient has cough and sputum because of cardiac insufficiency, cardiotonic, diuretic, vasodilator and other related medications can be given according to the condition, such as digoxin, furosemide, nitroglycerin and so on.