As a sign invented by the ancient matriarchy to guard against an act of blood marriage, the tattoo of the Li ethnic grou摘要黎族文身有着深刻的伦理原因，是古代黎族母系氏族为抑止血缘婚所刻下的氏族标志，是乱伦禁忌在黎族氏族社会留下的印记。