At the first part, with two misunderstandings of the over - emphasized importance of language as a means of communication, this paper discusses the status and the functions of both language and non - language means of communication, and advances that language is the most important means of communication to the human beings and that non -language communication, as both the secondary and minor means of communication, is a crucial means of communication for the human beings. At the second part, this paper makes a thorough analys...