Consists of 160 poems , including those of 15 countries and areas . they are : zhounan zhou and the south , shaonan , bei , yong , wei , wang , zheng , qi , wei , tang , qin , chen , gui , cao “风”包括周南召南邶庸卫王郑魏唐秦陈桧曹豳等15国风，大部分是黄河流域的民歌，小部分是贵族加工的作品，共160篇。
