The main symptoms of chronic bronchitis are cough, expectoration and wheezing, which must meet the time standard, that is, the cumulative onset time is more than 3 months each year for more than 2 years. When suffering from chronic bronchitis, first of all, it is suggested to pay attention to physical health care and prevention, pay attention to regular work and rest and diet, exercise properly, quit smoking, prevent fatigue and colds, avoid colds and reduce the possibility of acute attacks; Secondly, acute attacks are mostly caused by infection, so it is necessary to carry out standardized anti-infection treatment in time, choose reasonable antibiotics under the guidance of doctors, and use drugs such as relieving cough and resolving phlegm to treat symptoms.