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A flow velocity standard device based on annular flume was developed. And the design of the standard device verification software was completed by using the object-oriented programming method and the multi-layer architecture model. The specific function module of the software was realized by the C ++ programming language, and the verification data management was realized by the SQL Server database. In addition, the design method of database and the realization method of several function modules, such as verification parameter setting, verification process monitoring, data processing and result generation, were studied emphatically. The test results show that the verification software can not only meet the expected functional requirements, and have non-functional requirements such as practicability, reliability and scalability. Therefore, the automation of flow velocity standard device is effectively improved.