Patients in the acute phase of chronic bronchitis have symptoms such as coughing, worsening of cough and sputum, sputum and pus, fever, dyspnea, etc., which are mostly caused by climate change, infections of viruses and bacteria. The acute stage of chronic bronchitis can use aminoglutethimide, cefuroxime, salbutamol and other drugs. 1. Patients with clear bacterial infection: Clarithromycin, cefuroxime, amoxicillin, levofloxacin and other antibiotics can be used according to the doctor’s instructions, at the same time, pay attention to rest, and increase the water intake. 2. Patients with phlegm and cough: follow the doctor’s instructions to use drugs such as Ambroxol, which can help to resolve phlegm and stop cough. 3. Difficulty in breathing, wheezing patients: can follow the doctor’s instructions to use doxophylline asthma, nebulized inhalation of salbutamol and other treatments. There are many other drugs that can be used in the acute stage of chronic bronchitis, and it is recommended that such patients go to a regular hospital, cooperate with the doctor to complete the relevant examinations, and actively deal with. The above drugs should be used under the guidance of a physician.