The first treatment option for lung infections caused by pneumonia and bacteria should be anti-infective treatment. Although there is no fever, only cough, but anti-infective treatment, or the first choice of treatment program. Oral antibiotics, such as penicillin, if allergic to penicillin, or drug-resistant, you can choose to take oral quinolone drugs, as well as cefixime, ceftriaxone drugs. The other is to stop cough, phlegm treatment. To stop cough treatment, you can choose compound methoxynamine capsule, or Su Huang cough capsule, etc., some cough suppressing drugs. If it is pneumonia, need to resolve phlegm, because only after the pneumonia treatment, phlegm discharge, cough can be relatively reduced. To dissolve the phlegm, you can choose Ambroxol Hydrochloride Oral Liquid, N-acetyl cysteine effervescent tablets and so on.