Coughing rust-colored sputum should be considered as lobar pneumonia caused by Streptococcus pneumoniae, which is an acute inflammatory disease mainly caused by Streptococcus pneumoniae that involves most or all of the lung lobes and is characterized by diffuse fibrinous exudation in the alveoli. In addition to Streptococcus pneumoniae, S. pneumoniae, Staphylococcus aureus, Streptococcus haemolyticus, and Haemophilus influenzae can also cause lobar pneumonia; cold, fatigue, intoxication, colds, and anesthesia can also be triggers of lobar pneumonia. If the diagnosis of lobar pneumonia is confirmed, you need to be hospitalized for infusion treatment, the effect of oral medication is definitely not good, this time you can intravenous injection of imported ceftriaxone, if the effect is not good, you can combine levofloxacin together with treatment.