This summer vacation, unfortunately, I came down with hoarseness due to certain reason. Worse still, it worsened gradually from acute pharyngitis to chronic one.
这个暑假很不幸我的喉咙由于某种原因变得嘶哑了，由急性咽炎变成慢性咽炎，久治不愈。
Local factors: acute pharyngitis repeated attacks, it can be converted into chronic.
局部因素：急性咽炎反复发作，可转为慢性。
Objective:To observe the therapeutic effect of Houyou Spray(HS)on acute pharyngitis and acute attack of chronic pharyngitis.
目的：观察急性咽炎和慢性咽炎急性发作的喉友口腔喷剂治疗效果。
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