This report delves into the realm of effective business communication, beginning with a self-diagnosis and reflection on the student's current communication skills, assessed through various diagnostic tools such as self-perceived communication competence, intercultural communication apprehension, and public speaking anxiety. The analysis identifies areas for improvement, particularly in public speaking and intercultural communication. A literature review then explores key concepts like intercultural communication and self-perceived communication, drawing on scholarly articles to provide a theoretical foundation. Finally, the report culminates in a detailed action plan, outlining specific steps the student intends to take to enhance their communication abilities, address identified weaknesses, and foster more effective interactions in professional settings. The report emphasizes the importance of adapting communication styles to diverse audiences and situations, highlighting the impact of communication skills on workplace performance and career advancement.