Pneumonia infusion for 6 days did not work to consider the incorrect use of drugs, other complications, can be improved by changing the drug as well as the treatment program. 1. Replacement of medication: there are many types of viruses and fungi that cause pneumonia, and highly sensitive medication needs to be selected according to the bacterial culture test. If the medication is incorrectly selected, the treatment will be ineffective, and it is necessary to improve the sputum test and drug sensitivity test again, and then select the medication according to the results, for example, if it is caused by chlamydia, then erythromycin, azithromycin and other antibiotics are used. 2. Replacement of the treatment program: some patients with pneumonia are also accompanied by tuberculosis, lung cancer, so the simple pneumonia treatment program is not effective, you need to comprehensively investigate other diseases, and then take anti-tuberculosis, surgery, chemotherapy and other programs for comprehensive treatment. Under normal circumstances, pneumonia infusion for 6 days will have a more significant improvement, such as the condition does not improve need to recommend timely investigation of the causes, so as not to delay the condition.