Cough with white thick sputum may be caused by cold, pharyngitis or acute bronchitis. 1. Colds: when the patient’s ability to fight diseases is relatively poor, it is easy to be attacked by viruses that cause colds, which can cause irritation to the mucous membrane of the respiratory tract, and it is easy to have symptoms such as coughing and white pus sputum. 2. Pharyngitis: viral and bacterial infection of the pharynx may cause pharyngitis. Under the stimulation of inflammation, the patient may also have a cough with white thick sputum, and may also be accompanied by sore throat and other symptoms. 3. Acute bronchitis: When the bronchial tubes are infected by bacteria, it can cause acute bronchitis. If left untreated, the bacteria will cause severe irritation to the corresponding parts, causing the patient to increase secretions and cause white thick sputum and cough and other symptoms. There are other reasons for coughing up white sputum, such as sometimes rhinitis sinusitis nasal secretions backflow into the throat after the trachea can also appear, the patient should go to the hospital in time, choose the appropriate method of treatment, to avoid aggravation of the condition.