Hot soymilk can be given for phlegm in the throat, regardless of hot or cold. Because phlegm in the throat is mostly seen in infectious diseases of the respiratory tract, including pharyngitis, rhinitis, and bronchitis. But with the production of phlegm, it is mostly considered to be complicated with bacterial and viral infections. Soybean milk is a food that generates thirst, warms the lungs and dissolves phlegm. It is very effective for phlegm in the throat caused by wind-cold, wind-dryness and cough, and can sometimes replace Western and Chinese medicine treatment. So sore throat with phlegm can drink soybean milk, and must drink hot soybean milk, can effectively produce thirst, warm lungs and resolve phlegm, relieve the symptoms of phlegm in the throat.