Pharyngitis is a common throat disease that not only causes discomfort to the throat, but also affects daily study and work. Usually pharyngitis is caused by viral bacterial infections, climatic seasonal factors, and organ lesions. 1, viral bacterial infection: when resistance is low and fatigue is excessive, bacteria and viruses can easily invade the organism. Adenovirus, parainfluenza virus is the main virus causing pharyngitis, while bacterial infection caused by pharyngitis is usually chronic pharyngitis, and it is easy to cause systemic complications. 2, climate, seasonal factors: especially in the cold winter, some organs of the body function is reduced, resistance is low, pharyngeal mucus secretion and cilia peristalsis will also be affected, it is easy to lead to the invasion of microorganisms. 3, organ disease: if the neighboring organs occur disease can also cause pharyngitis lesions, because inflammatory secretions will have been repeatedly stimulated pharynx thus leading to pharyngitis. Therefore, to prevent pharyngitis in daily life, it is recommended to wear a mask when going out, avoid spicy food to stimulate the throat, drink water regularly, exercise properly, enhance immunity and prevent colds. Usually, the above factors can easily lead to pharyngitis, and when suffering from pharyngitis, treatment must be taken in time to prevent the formation of chronic pharyngitis, which is difficult to completely cure.