This paper investigated deeply the key problems of application techniques of ABEL software, such as the definition of base of GAL devices, the logic functional descriptive method, the defining test vector and source files processing, etc. 本文对ABEL开发软件的GAL器件库定义、逻辑功能描述方法、测试向量的确定以及源文件的处理等关键应用技术问题进行了深入探讨。