Community-acquired pneumonia is a common disease with high mortality in China. The elderly people are more susceptible to pneumonia, and its death rate increases with age. Therefore, strengthening the comprehensive prevention of pneumonia in the elderly is of important social and economic significance. The preventive are measures multifactorial, including those to strengthen immune functions like vaccination and immunostimulants, as well as lifestyle changes, oral hygiene and management of underlying diseases, and optimization of functional status.