A network-based interactive education system, including the cloud classroom unit, the interactive answering homework unit and the home-school APP unit. The application terminals based on it include tablet computers, interactive whiteboards, PCs, and smart phones. These application terminals are divided into teacher terminals. , student terminal, and parent terminal, the teacher terminal, student terminal, and parent terminal are respectively connected to an interactive education cloud server through the Internet, and the present invention also provides an application method of a network-based interactive education system. Compared with the prior art, the present invention adopts the interconnection and intercommunication of multiple terminals such as electronic whiteboards, tablet computers, computers, and projectors through the Internet, which changes the way teachers and students interact and improves the frequency of interaction in class; The data in the answering process is counted in real time, and the system provides comprehensive teaching materials to realize resource sharing and improve teaching efficiency.