Cold cough and bronchitis cough has a certain difference, mainly in the symptoms, the causative agent of the different, as follows: 1, symptoms: if the cold cough, in addition to coughing, coughing up sputum and other symptoms, more will be accompanied by nasal congestion, runny nose, itchy throat and other upper respiratory tract infection symptoms. If it is a bronchitis cough, generally cough, cough sputum as the main symptom, some patients will also appear wheezing, shortness of breath and other symptoms. 2, the causative agent: cold and cough common cause of viruses, bacteria, mycoplasma, chlamydia and other pathogenic microorganisms, but most of the viral infections caused by the roughly 80% of the above, and bronchitis cough is common or bacterial infections. Therefore, if the cold and cough are caused by viral infections, antiviral treatment or Chinese herbal medicine can be given to identify the symptoms. If it is caused by bacterial infection, antibiotic anti-infection treatment can be given. If it is caused by atypical pathogens such as mycoplasma, chlamydia, etc., macrolides can be given, or adults over 18 years old can be given quinolone antibiotics for anti-infective treatment. As for treatment, bronchitis cough can also be caused by bacterial, viral, mycoplasma, chlamydia and other pathogenic microbial infections, and the treatment plan is the same as that for cold and cough.