blister AE tongue blistering AE QY, JX, HY 舌头起泡 10043942 This is an AE which is a small pocket of body fluid (lymph, serum, plasma, blood, or pus) within the upper layers of the tongue skin, usually caused by forceful rubbing (friction), burning, freezing, chemical exposure or infection. http://en.volupedia.org/wiki/Blister