Virtual reality technology provides virtual environments that allow students and teachers to teach and learn in constructed virtual environments, which can simulate Thai language-related environmental scenarios and enable learners to have better perception and understanding. This study delves into the content and structure of virtual reality technology in Thai language education in terms of its practical role and then optimizes the interactive experience of virtual reality technology. This paper also further researches the practical teaching outcomes of the Thai language based on data mining, using fuzzy comprehensive evaluation results for cluster analysis, and constructing an outcome assessment system. Then, the data in the teaching outcome assessment system is studied through correlation analysis. In the practice of Thai language education with virtual reality technology, the confidence level that the virtual teaching content of the national language education is excellent and the evaluation level is satisfactory is 0.735, the confidence level that the teaching method is excellent and the evaluation level is satisfactory is 0.712, the confidence level that the evaluation level is basically satisfactory when the teaching method is good is 0.716, the confidence level that the teaching level evaluation of the interactive experience being excellent is satisfactory is 0.852, and the confidence level that the interactive experience is good is evaluated as basic satisfaction with a confidence level of 0.689. It has been comprehensively demonstrated that virtual reality teaching methods, teaching content, and interactive experiences have a significant impact on teaching and learning outcomes. In addition, it also proves that the optimization of virtual reality technology interaction has a positive impact on the outcomes of Thai language teaching.