Pneumonia once, when the body’s immune system decline will also appear pneumonia, usually to increase physical exercise, increase the body’s immunity. Pneumonia includes bacterial pneumonia, mycoplasma pneumonia, viral pneumonia, etc. The clinical symptoms, auxiliary examination and treatment of different pneumonia are different. Bacterial pneumonia has fever, coughing up yellow sputum, and increased white blood cells, and needs to be treated with cephalosporin, penicillin, and other related antibiotics. Viral pneumonia appears high fever, cough, cough white sputum, lung CT suggests interstitial changes, blood routine suggests that white blood cells are normal or lower than normal, C-reactive protein is normal, need to use the purging and detoxification or antiviral drugs, such as qingqingkailinga, bidol and so on. Mycoplasma pneumonia often presents with high fever, headache, nausea and other symptoms, mycoplasma antibody will appear more than four times elevated, need to use macrolide antibiotics or quinolone antibiotics.