A clothing pattern making management system, applicable to a server and used for allowing users to connect and manage a plurality of clothing pattern making data via a network, at least including a database and a login and authority management module, a search and viewing module, a connection and upload module, and a management and download module. Through the data connection to a business system, the system is able to facilitate the users to perform data upload and management in order to achieve proper preservation and management of a large quantity of pattern drawings for various styles of clothes and for all stages, and to achieve the effects of learning exchange and passing on of techniques.