PROBLEM TO BE SOLVED: To provide an ozone sterilization control device capable of efficiently performing sterilization treatment in case that ozone sterilization is performed, for example, either in a moving vehicle or in a closed space.SOLUTION: The ozone sterilization control device 1 used in sterilization treatment by ozone comprises an ozone sensor 3 which is formed so that an ozone generator 9 is connected to measure the concentration of ozone in the body of the control device and air. The body of the control device has a control output part 24 for outputting a signal for controlling the operation of the ozone generator, an operation part 48 for operationally processing the concentration of ozone outputted from the ozone sensor and a display part 41 for displaying the concentration Co of ozone outputted from the ozone sensor.
