For ordinary bacterial pneumonia, such as lobar pneumonia caused by pneumococcus, through sensitive antibiotics, such as penicillin infusion treatment, in about 3-5 days the body temperature will be receded to normal, usually after a total course of treatment for about a week can achieve complete cure. For some special pathogens, such as Staphylococcus aureus, Klebsiella, Pseudomonas aeruginosa, etc., the toxicity of this type of bacteria is relatively strong, if the lung infection, the use of antibiotics for a longer period of time, and generally choose benzoxicillin, amoxicillin, etc., need more than a week for the temperature to recede, and also continue to treat for 1-2 weeks in order to achieve a cure.