The last 1960s and 1970s, many foreign linguists began to focus on the study of taboo words and summarized, so, in this period, with many foreign research results about taboos category and systematic analysis of .
In the sixties and seventies of last century, many foreign linguists began to focus on the induction and summary of taboos. Therefore, in this period, there are a lot of research results on the category and systematic analysis of taboos abroad.