1. Training content: Zhu Xiao Education focuses on online IT skills training, covering programming languages, development tools, front-end technologies and other IT skills; Zhang Gong Education focuses on online engineering education, offering professional courses including engineering design, construction and management.

2. Training target: The training target of Zhu Xiao education is mainly beginners and IT practitioners who need to upgrade their skills; Zhang Gong's education targets are mainly professionals and technical managers engaged in the engineering industry.