Based on the Balanced Scorecard framework, from perspective of financial objectives, customers, internal process, learn and grow, extant literatures about Investor Relations function are reviewed and summarized. Based on the review, performance measures of all the perspectives are put forward; market segment, Investor Relations product classification and customer value proposition analysis of Investor Relations function are performed; a classification method of Investor Relations products are put forward; a balanced scorecard model of Investor Relations function is established. Finally, imperfect areas of existing researches are analyzed and research prospects are put forward.