凡口颊、舌边、上颚等门腔粘膜任何部位,单发或多发圆形或椭圆形白色溃烂小疮,并见红肿疼痛间或发热者皆称口疮.本病常因过食辛辣或刺激性食物,外感风热之邪、口腔不洁被损后邪毒乘机入侵,或久病体虚或劳伤过度,阴津亏损肾阴不足,水不济火虚火上炎而致发病.睡眠不足、疲劳、情绪不好等也可引起 Any part of the luminal mucosa of the cheeks, tongues, palate, etc., single or multiple round or oval white ulcers and sores, and see redness and pain or fever are called aphthous. This disease is often eaten spicy or irritation Food, exogenous wind and heat evil, oral uncleanness after genocide to invade, or long illness or excessive injury, Yin-Yin loss of kidney yin deficiency, the water is not conducive to the fire on the virtual fire caused by the disease. Insufficient sleep, fatigue, Bad mood can also cause