The present invention provides an intelligent dynamic control system of an indoor temperature. The system includes a controller, and a human-computer interaction interface, a temperature adjustment device, an indoor temperature collector and an outdoor temperature collector, which are respectively connected with the controller. According to the technical solution provided by the present invention, the system is simple, convenient to implement, good in control effect and remarkable in energy saving effect; outdoor temperature data are collected by the outdoor temperature collector and are compared with the indoor temperature collected by the indoor temperature collector, in combination with the parameters of resident population, and by means of analysis and intelligent adjustment of the indoor temperature, the most comfortable temperature is provided for indoor residents; furthermore, constant control and constant adjustment can be achieved, thereby not only ensuring the comfort, but also avoiding unnecessary energy consumption; and respective adjustment is provided for each house and each room, the space occupation is small, and the adjustment efficiency is high.