Cough sputum is very salty, the common clinical causes are acute bronchitis, pneumonia, chronic pharyngitis, rhinitis and so on. 1. Acute bronchitis, pneumonia: when the body’s immunity is reduced, viruses or bacteria invade the body, which can trigger a series of inflammatory reactions, such as airway mucosal edema, congestion, and inflammatory secretions oozing out, the patient may consciously sputum is very salty. 2. Chronic pharyngitis, rhinitis: under the influence of external environmental pollution, improper diet and other factors, may also make the pharyngeal cavity, nasal cavity and other parts of the mucous membrane inflammation, nasal secretions can also backflow into the pharynx, which in turn causes coughing, coughing up sputum, sputum salty performance. When symptoms occur, avoid drinking alcohol, smoking, spicy, stimulating food; in addition, we must also seek medical attention as soon as possible, under the guidance of the doctor to take relevant treatment.