Explanation: Yellow hair: the elderly hair from white to yellow; Chuitiao: ancient crown by a single hair, the boy did not sag. Refers to the elderly and children. Source: "Book of Lu Chung Bi Gong" yellow hair abutment. "Pan Yue Jin" Ji land tax "Chuitiao total fat." Examples: Men and women clothing, learned as an outsider; ~, and contented from the music. (Jin Tao Qian "Peach Blossom Spring and write poetry")