A mobile intelligent terminal with functions of a smart phone and a personal computer, including a device body and a hardware part and an operating system arranged therein; the hardware part keeping data exchange with the operating system, the hardware part is connected to all parts of the device body, and the hardware part includes a common area, a dedicated mobile phone area and a dedicated computer area; both the dedicated mobile phone area and the dedicated computer area keep exchange data with the common area; the mobile intelligent terminal realizes a mobile application mode by combining the common area, the dedicated mobile phone area and the operating system, and the mobile intelligent terminal realizes a computer application mode by combining the common area, the dedicated computer area and the operating system. The mode switch can switch the device from a mobile application mode to a computer application mode.