Problems of the storage and process of phase graph information are discuss in this paper.Software of digital process on alloy phase equilibrium is developed based on VB6.0 language desktop.

• 讨论了合金相图信息的存储、处理；用VB6.；0编程工具作为系统开发平台；建立了合金平衡相图的数字化处理系统软件。