Baguio, Filipinas
From the perspective of information science, the application of diversified evaluation in business letters is gradually highlighting its important value. Business letters, as an important carrier of business communication, have a direct impact on the smooth progress of business cooperation in terms of information transmission and reception. This article aims to explore the application methods and mechanisms of diversified evaluation in business letters, verified through the analysis of information science theory and empirical research. Revealing the positive role of diversified evaluation in improving the effectiveness of business letter information transmission, enhancing communication effectiveness, and promoting business cooperation. The research results indicate that diversified evaluation can help business letters convey information more accurately, improve communication efficiency, and thus enhance trust and cooperation between enterprises. This study provides new ideas and directions for the optimization and improvement of business letters, which is of great significance for promoting the informatization and intelligence development of business communication.