Objective: To provide an analytical framework for assessing the convergence level of drug reimbursement benefits between inclusive commercial health insurance (ICHI) and basic medical insurance (BMI). Methods: Based on Organization for Economic Co-operation and Development's definition of the linkage between commercial health insurance and medical security system，it is applied to the analysis of the level of linkage in the field of drug reimbursement，taking "Hu Huibao" as an example for empirical analysis. Results: The research divides the connection between the ICHI and BMI into supplementary，complementary and overlapping types based on the differences of ICHI and BMI in coverage，path and salary. Conclusion: The design and appraisal of the drug security policy of ICHI should consider the BMI drug catalogue，the difference in treatment level between cities and the level of product financing and management. The drug selection could learn from the experiences of national medical insurance negotiation.