The invention relates to the technical field of network security practical training, in particular to a teenager network security practical training platform which comprises a practical training platform, an opening is formed in the top of the practical training platform, a case is fixedly connected to the bottom end of the opening, a practical training screen is installed in the case, and a demonstration screen is fixedly connected to the top of the practical training platform. A host is fixedly mounted in the practical training platform, and a book fixing mechanism is fixedly mounted on one side of the top of the practical training platform. The system has four modes of watching, listening, learning and practicing at the same time, and trainees can simultaneously read specifications, listen to videos, learn knowledge and practice at the same time; according to the method, the limitation of expansion conditions is avoided, when the computing resources are insufficient, the computing resources can be properly increased, the computing resources can be infinitely expanded, the storage modes are diversified, courseware, courses and experiment environments can be stored in the cloud data storage center, and a user can use cloud storage under the condition that the local storage resources are insufficient.