In the long-term development and micro-analysis of rare earth-cobalt permanent magnets, a large number of analysis cases and typical patterns have been accumulated. For resolving the problems of storage and rational application of these data, a database for the micro-analysis case and patterns of rare-earth cobalt permanent magnets was developed based on Access as the basic database, C# as the development language, and typical cases were added in this database after being classified from material, productio...