实训教学是我国当代职业教育重要的组成部分，是培养学生职业技能的重要手段。描述了智慧实训实现的三种 途径，提出了CDL智慧实训三层模型架构设计，分别为应用层、控制层、设施层，最后分析了CDL智慧实训在学校信息安全与 管理专业的实践情况。

Practical teaching is an important part of contemporary vocational education in China and it is an important means to cultivate students' vocational skills. This paper describes three ways to realize the intelligent training, puts forward the CDL intelligent training three-layer model architecture design, which are application layer, control layer and facility layer. Finally, it analyzes the practice of CDL intelligent training in information security and management specialty.