Pneumonia is mainly caused by viral, bacterial, and mycoplasma infections and requires treatment with antibacterial and anti-inflammatory drugs and various symptomatic supportive drugs. If the patient does not improve after 10 days of infusion, most of them are caused by the wrong medication, or may be caused by the patient’s weak resistance. It is necessary to go to the hospital first to do the appropriate examination, to do routine blood tests, also need to take a chest X-ray or lung CT examination, also need to do sputum examination, drug sensitivity test. If the test result is caused by mycoplasma infection, the previous treatment with penicillin or cephalosporin antibacterial drugs is not very effective, you need to choose azithromycin, erythromycin and other drugs to actively treat the disease, the course of this disease will be relatively longer, you can use another week of drugs.