Objective: This article is to analyse the compatible mechanism and the clinical application on Dioscorea opposita and Ophiopogon japonicus and provide some suggestions to highlight the importance of compatibility of medicines in clinical application. Method: Based on the compatible mechanism

combination characters and the modern research

an analysis of the compatible mechanism and the clinical application of D. opposita and O. japonicus was performed. Result: The compatibility of D. opposita and O. japonicus was mainly applied in three clincal aspects such as nourishing Yin

moistening dryness and nourishing the lung. Conclusion: The compatible mechanism is flexible and has a very wide clinical application

which may provide some new thought in clinical application.