咽喉炎是个常见病、多发病．特别是在东北地区更为多见．因为北方这个地区气候变化快，寒暑温差大，温差可高达60℃左右．这样大的温差变化，有时人们很难适应，引发“感冒”或上呼吸道感染，急性咽喉炎也就随之产生了．急性咽喉炎还可因有害粉尘、有害化学气体（如盐酸、硝酸 Pharyngitis is a common disease, frequently-occurring disease. Especially in the Northeast more common. Because of the rapid climate change in this area in the north, the temperature difference between summer and summer is large, and the temperature difference can reach as high as about 60 ° C. Such a large temperature change, and sometimes people are difficult to adapt to trigger a “cold” or upper respiratory tract infection, acute laryngitis also will be generated. Acute pharyngitis can also be harmful dust, harmful chemical gases (such as hydrochloric acid, nitric acid