This study discussed the mood and thematic analysis realized in Trump's speech. The research design was library research by using content analysis. The data in this research is a speech video of President Donald Trump, entitled Remarks on Tax Reform. The researcher analyzed two structures, mood and thematic analysis. The results of the data analysis indicate that most dominant Mood types are Declarative Mood, it is 92.50% or 259 clauses which followed by Interrogative Mood, it is 3.92% or 11 clauses. The third is Imperative Mood, it is 2.10% or 6 clauses and WH-Interrogative Mood, it is 1.07% or 3 clauses. The most dominant Theme types are 24 times of Marked Theme, and 256 times of Unmarked Theme which both included to Topical Theme. Textual Theme appeared 90 times. Interpersonal Theme appeared 24 times. By analyzing the Mood and Thematic structure, it helps the teacher to choose the learning materials and to make an explicit explanation to the students about how text is used. The students will be more aware of how people build their language. The next is the students will get the main point of the clause.