Bronchitis cough is stubborn. The first and foremost treatment is to control the infection and treat the cause, followed by symptomatic treatment with cough suppressants and phlegm remedies to control the symptoms. 1. Causal treatment: first of all, it is necessary to control the infection. From the source, we should prohibit smoking and alcohol, eat a light diet, increase nutritional intake, strengthen exercise, and enhance physical fitness; at the same time, we should also pay attention to prevent cold and keep warm to avoid infection. When infection occurs, you can take anti-infective drugs, such as penicillin, ceftazidime, etc., after the bacterial infection is clarified under the guidance of the doctor. 2. Symptomatic treatment: should be timely medical advice to take cough and phlegm medication to control symptoms. Commonly used cough and phlegm medicines are compound licorice, bromhexine hydrochloride, ambroxol and so on. Cough needs to be differentiated from cough variant asthma, post-nasal drip syndrome, gastroesophageal reflux stimulation cough, etc. If the symptoms fail to improve or even gradually worsen, it is necessary to consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardized treatment.