Abstract: The work A Study of Chinese Appraisal System Based on Online Hot Events has focused on the new style of text in the time of new media: microblog. It is an interactive linguistic monograph with Chinese characteristics and a landmark achievement which has extracted and purified Martin’s evaluation theory and combined itself closely with the Chinese language fact. It is characterized by rich materials, proper examples, multiple theories complementary and mutually supportive, combi- nation between macroscopic and microscopic studies, emphasis on interaction and coordination, and dynamic construction. The book has fully filled the blank of evaluation research in Chinese circle. Further, it has verified the powerful ability of social in- terpretation of functional linguistics. In a word, it is an innovative work in the field of applied linguistics.