Most upper respiratory tract infections can be complicated by lower respiratory tract infections, such as bronchitis caused by rhinitis, need timely anti-infection treatment. Anti-infection should be selected according to the type of infection, such as viral cold causing rhinitis and bronchitis, which can be treated with anti-cold drugs and antiviral drugs, such as Aminophenol pseudo-lax dispersible tablets or Amingahuangmin capsules, Vitamin C silver forsythia tablets, Pudillan anti-inflammatory oral solution, Blue Scutellaria oral solution, etc. For bacterial infection causing rhinitis secondary to bronchitis, patients need to apply antibiotic treatment, such as penicillin or cephalosporin antibiotics. If there is a history of allergy to penicillin or cephalosporin antibiotics, patients can choose quinolone or macrolide antibiotics for treatment. In addition, patients need to be treated with cough suppressant and phlegm-relieving drugs for adjunctive treatment.