Elderly people with excessive phlegm may be due to long-term smoking or respiratory tract infections, long-term bedridden, etc., and can be treated with smoking cessation, anti-infection, phlegm transforming, and phlegm suctioning. 1. Smoking, long-term smoking in the elderly due to smoke repeatedly stimulate the respiratory tract, can make the mucous membrane of the respiratory tract to increase secretion, phlegm performance, need to quit smoking in a timely manner, can be effectively improved. 2. Respiratory infections, such as pneumonia, acute bronchitis, acute exacerbation of chronic obstructive pulmonary disease (COPD), are common diseases that can cause sputum in the elderly, if there is a clear indication of bacterial infection, the need to use penicillin, ceftazidime and other active anti-infective treatment. If there is a clear indication of bacterial infection, active anti-infective treatment such as penicillin and ceftazidime should be used. When accompanied by mucous phlegm that is not easy to cough up, sputum-cleansing drugs such as aminobromine should be used. Long-term bed-ridden elderly people may have pneumonia, which may also cause more sputum production, and can be patted on the back, drink more water to promote sputum discharge, and if necessary, can be suctioned for treatment, and need to be actively anti-infective treatment when combined with infection. In case of infection, active anti-infective treatment is needed. The specific cause of the disease should be clarified after medical examination, and medication should be administered according to the doctor’s instructions. The above drugs should be used under the guidance of a physician.