Abstract: AIM: To investigate the risk factors, pathogens features and clinical treatment perscription in the old pneumonia patients, and approach measures for prevention pneumonia disease in the old.METHODS: 166 clinical data of pneumonia patients with hospitalization records were analyzed retrospectively, the age, concomitant disease, clinical situation, pathogens feature, therapy and turnover were analyzed too.RESULTS: The data analysis showed clinical symptoms in most old patients were atypical, 84.3 % old patients had underlying diseases, and 80.8 % patients with combined infection, gram negative bacterium(G^-) as the major pathogenic bacteria (71.1 %).The pneumonia disease in old should better taking rescue by stages combined with antifungal drugs.CONCLUSION: As to the old pneumonia patients, we should grasp the rules and treat the deseases according to the pathogens feature.The beginning empiric treatment with broad-antibacterials or combination antibacterial should consider G^- microbacillary antibiotics, treat primarily disease as well as symptomatic treatment to elevate cure rates.

Key words: the old, pneumonia, aetiology, therapy