Objective To promote the application of TRIZ theory in the new drug R&D and the innovative development of medical devices.Methods TRIZ can be literally translated as“theory of inventive problem resolving”,focusing on clarifying and solving contradictions in the system.This article introduces the TRIZ theory and the general process of new drug development.It collects literature in the field of new drug development and medical devices and refers to ideas for solving problems in some successful cases of applying TRIZ theory in other fields.Results and Conclusion After summarizing the general ideas of TRIZ to solve the problems,it is concluded that attention should be paid to applying TRIZ theory in the development of new drug and medical devices.