Digital high-definition civilian closed-circuit monitoring television system

The utility model discloses a digital high-definition civilian closed-circuit monitoring television system which comprises digital high-definition camera-shooting equipment, digital high-definition transmission equipment and digital high-definition display equipment, wherein the digital high-definition camera-shooting equipment includes camera-shooting equipment and a first digital high-definition sending module which transforms digital signals of the camera-shooting equipment into SDI signals and sends the SDI signals to the digital high-definition transmission equipment; and the digital high-definition display equipment includes a first digital high-definition receiving module and display equipment receiving digital signals of the digital high-definition sending module, wherein the first digital high-definition receiving module receives SDI signals of the digital high-definition transmission equipment and transforms the SDI signals into digital signals. The utility model has a simple structure and easily realizes long distance transmission.