Bedridden patients always grunt phlegm, may be related to cerebrovascular disease, may also be due to the fall of pneumonia, chronic pharyngitis and other causes. 1. Cerebrovascular disease: common in cerebral hemorrhage, cerebral infarction and other diseases caused by long-term bedridden, such patients may have pharyngeal reflexes reduced sequelae, which may result in the voice is always grunting phlegm. 2. Pneumatitis: patients due to prolonged bed rest, too little activity, is likely to trigger the pneumatitis, in the inflammatory stimulation, may lead to the throat is always snorting phlegm, but also can be accompanied by fever, cough and other symptoms. 3. Chronic pharyngitis: long-term bedridden patients if the throat parts of the neighboring organs appeared inflammatory reaction, such as chronic tonsillitis, sinusitis, rhinitis and other diseases, may cause chronic pharyngitis, in the stimulation of inflammation, may cause the throat is always grunting phlegm. Bedridden patients always snorting phlegm, may also be caused by other reasons, should actively seek medical attention to clarify the diagnosis.