Evaluating the efficacy of instruction is crucial in Japanese language classrooms because it allows for a more straightforward way to assess the quality of instruction and pinpoint areas for improvement. By using intelligent technology, the limitations of traditional forms of evaluating educational efficacy are eliminated. Consequently, this research suggests a technique for evaluating and analyzing the teaching impact that relies on clever algorithms. To begin, the educational impact is assessed using a computer. The indications are then classified based on the criteria for evaluating the educational impact, with the goal of minimizing the influence of any intervening factors. The computer then forms an assessment plan based on the outcomes of the Japanese language instruction and runs the evaluation. Thorough examination. The precision of the Japanese teaching impact assessment may be replicated by the intelligent algorithm evaluation approach, according to MATLAB simulations conducted under certain evaluation criteria. Comparing it to other conventional forms of evaluating a teacher’s performance, the validity of assessing the impact of their lessons is clear winner.