Emphysema in the elderly is generally not serious, if the patient’s clinical symptoms are not obvious, no special treatment is needed. In plain, we should quit smoking, smoking will lead to a more obvious decline in lung function, in plain, we should pay attention to rest, avoid cold and infection, infection will also induce a significant decline in lung function. Appropriate exercise can be done to maintain lung function. If the patient has obvious lung function decline due to emphysema and has symptoms of shortness of breath, he/she can inhale bronchodilators, such as Ventolin, Aiquanelle, and Silvateam. Plainly eat more fresh vegetables and fruits, such as spinach, cabbage, bananas, oranges, tangerines and so on. The above foods are rich in minerals as well as vitamins, which can prevent the occurrence of colds.