The payment method dominated by Diagnosis Related Group(DRG)/Big Data Diagnosis-Intervention Packet(DIP) is the inevitable trend of China's payment method reform, the core mechanism of its western medicine diagnosis system lacks compatibility with the characteristics of TCM diagnosis and treatment, resulting in the lack of a long-term mechanism for medical insurance fund compensation for TCM. Aiming at the disproportionate-share problems between medical insurance payment and TCM, it innovatively introduces the concept of insufficient compensation and disproportionate-share hospital payment abroad. It explores to establish an disproportionate-share hospital payment support mechanism for TCM under the background of current payment system reform. The concept to guiding the full implementation of DRG is explored, while Changzhou City of Jiangsu Province had tradition history of TCM. It carried out a series of corresponding policies for disproportionate-share hospital payment of TCM medical institutions. After the policy is implemented, the payment rate of each TCM medical institution has increased, the per capita hospitalization expenses have decreased, and the value of TCM diagnosis and treatment has been effectively compensated, achieved the desired goal.It provides institutional and systematic health policy support for the effective implementation of support for the sustainable development of TCM in the context of the DRG/DIP payment system reform.