The source of Peitang in the Book of Songs is "Cover Pei Gantang, do not cut or cut it, it is what Zhao Bohu planted". This is a poem praising Zhao Bohu. Among them, "covering Pei Gantang" expresses the poet's praise for Gantang, "don't cut it, don't cut it" expresses disrespect for Zhao Bohu, and "Zhao Bohu" expresses praise for Zhao Bohu. The word Peitang is used to describe Gantang in the poem, which has a beautiful meaning and gives people a feeling of intimacy and sweetness.