OBJECTIVE：To provi de reference for the construction of shared TCM pharmacy information platform based on county medical alliance. METHODS ：By literature research ，the construction and development of TCM pharmacy in primary medical and health institutions were analyzed ，and the feasibility ，advantages and limitations of shared TCM pharmacy based on county medical alliance were also analyzed. The construction process and method of shared TCM pharmacy information platform based on county medical alliance introduced from aspects of overall architecture ，business model and main functions. RESULTS & CONCLUSIONS：The policies for the revitalization and development of medical alliance and TCM ，the needs for the improvement of grass-roots TCM service ability ，and the application of modern information technology provide the feasibility for the construction of shared TCM pharmacy based on county medical alliance. The construction of shared TCM pharmacy based on county medical alliance can broaden TCM list in the primary medical institutions ，integrates and diverts human resources ，save costs ，and provides homogeneous and standardized pharmaceutical care. However ，it is generally affected by non information technology factors such as county regional environment ，policy support ，logistics distribution speed ，cost benefit sharing. T he shared TCM pharmacy information platform based on county medical alliance is mainly based on the TCM alliance led by county-level TCM hospital ，and constructs business model from three aspects ：business processing ，business management and business sharing on the basis of the health information platform of TCM department. Its main functions include the whole flow management of TCM decoction pieces ， TCM dispensing ，decocting，distribution，pharmaceutical care ，quality control ，convenient service and interface management and so on. The application of shared TCM pharmacy information platform based on county medical alliance helps the opening of the business cooperation and information sharing channel of shared TCM pharmacy based on county medical alliance expands the service scope of TCM ，and enhances the TCM service ability in primary medical institutions.