Teaching with the virtual network system is very important in modern teaching mode with its specialties of updating fast, high capacity and easy interaction. The virtual teaching network platform was constructed for the applied chemistry special English based on campus network in order to enhance students learning passion and initiative by the network. Through this virtual teaching system, it could answer online, deliver the newest chemical information, and help more students understand the applied chemistry special English knowledge. The system is characterized with easy used and management, extreme extensibility, stability, safety and so on.