After soaking feet found throat phlegm maybe with increased blood circulation, promote local mucus gland secretion hypersecretion, induced by certain inflammatory diseases symptoms enhancement caused by the general consideration of chronic pharyngitis, rhinitis and bronchitis and other diseases related to this symptom. 1. Chronic pharyngitis: caused by chronic inflammation of the pharyngeal mucosa and submucosa, often with pharyngeal foreign body sensation, it is not easy to cough up, can be accompanied by pharyngeal itching, dryness, irritation and dry cough, etc., lasts for a long time, in general does not affect normal life. 2. Rhinitis: rhinitis is often caused by some pathogenic bacteria into the nasal cavity produced by the inflammatory response, which stimulates the nasal glands to produce secretions, backflow into the throat to form phlegm. 3. Bronchitis: this disease can be due to mucus glands in the airway secretion of phlegm from the throat coughing, soaking feet after the rise in body temperature, blood circulation accelerated, the secretion increased phlegm becomes more caused. When there are coughing and sputum symptoms, we should consult the respiratory department or ENT department in time for relevant examination and treatment, and avoid blindly using medication.