The function of enthusiasm first paragraph is to stimulate readers' interest in reading, and cite the central argument of this article as a factual argument to prove the central argument. According to the relevant public information, the functions of the opening paragraph of an argumentative paper generally include: drawing out arguments or topics. Prove that the central argument is an argument. Attract readers and enhance the interest of the article. The first paragraph of this paper lists the example of Xu Xiake's completion of the world-famous Travel Notes of Xu Xiake, which leads to a central argument: a passionate person is more likely to succeed. Xu Xiake's case can be used as a factual argument to prove the central argument. Examples can increase the vividness of articles and stimulate readers' interest in reading.