Tang Dai Shulun painted cicadas. Drink dew: The ancients thought that cicadas "drink dew and don't eat". The general idea of these two sentences is: how noble and clean the vegetarian meal dew is, and the rhyme of singing to the wind is longer. Poets praise cicadas for their elegance and elegance from their drinking style, their long rhyme from their singing style, and their moral integrity and charm. In a deeper sense, the poet eulogizes the noble and noble, noble and benevolent with lofty qualities by chanting cicadas. The cicada singing is the outstanding feature of these two sentences.