With the development of society,the criteria of selecting people in terms of their social communicative competence is increasingly high.It has even become an important one in selecting talents in many fields.Speech,especially English speech,because of its unique function in mass communication,is attracting more and more people’s attention.However,the study of speech skills is not deeply studied by scholars domestic.In this thesis,the subject of this study is Barack Hussein Obama’s victory speech which was made in 2012 in Chicago when he won the president election.It is clarified from two aspects.First,the function of deixis of“I”and“we”in his speech,second,from the point of empathy to list how they can be functioned in speech.It agrees that the above speech skills can help Obama make his speech more persuasive and attractive,and at the same time others can also benefit from it. With the development of society, the criteria of selecting people in terms of their social communicative competence is increasingly high. It has even become an important one in talents in many fields. Speech, especially English speech, because of its unique function in mass communication. , is attracting more and more people’s attention.However, the study of speech skills is not involved studied by student domestic. In the thesis, the subject of this study is Barack Hussein Obama’s victory speech which was made in 2012 in Chicago when he won the president election .It is clarified from two aspects. First, the function of deixis of “I ” and “we ” in his speech, second, from the point of empathy to list how they can be functioned in speech.It agrees that the above speech skills can help Obama make his speech more persuasive and attractive, and at the same time others can can also benefit from it.