Capital allocation efficiency in internal capital market is directly related to the degree of enterprise value creation，and the realization of the enterprise stakeholders benefits，which is of practical significance for enterprise development and strategic choice.This paper analyzes two aspects of efficiency measure in internal capital market on the basis of the standard and empirical methods.At first，it introduces the research status at home and abroad，then analyzes the various measures，and finally puts forward the suitable measure of capital allocation efficiency in internal capital markets on the basis of the relevant study.