The invention discloses an intelligent trustship system and trustship method based on digital television. The system comprises an intelligent trustship management platform, a digital television intelligent trustship center, a visual intercom system, a human face identifying system, a video playing system, a message leaving system, a positioning system, a camera, a remotely authorizing terminal and a locally trusted terminal wherein the digital television intelligent trustship center, the remotely authorizing terminal and the locally trusted terminal are in electrical communication and connection with the intelligent trustship management platform respectively; the visual intercom system, the human face identifying system, the video playing system, the message leaving system, the positioning system, and the camera in electrical communication and connection with the digital television intelligent trustship center. With the invention, it is possible to monitor the safety of children in a very relaxed manner and to keep the parents and children in mutual communications; further, it is also possible to monitor the learning state of the children remotely. The positioning and behavior abnormality alarming system can prompt parents within the shortest time so that the parents could finger out what happens instantly and administrate prompt treatment. Convenient in use, the system and method is also intelligent and safe.