Terminal management method and terminal

The embodiment of the invention discloses a terminal management method and a terminal. The terminal comprises an operating system. The terminal management method is characterized in that the terminal is provided with a security system independent of the operating system. The method comprises the steps that the security system acquires user operation information in performing operation on the terminal; the security system judges whether user identity performing operation on the terminal is abnormal according to the user operation information; and when the judgment result indicates abnormality, the security system transmits a data backup instruction to the operating system so that the operating system is enabled to connect to the network according to the data backup instruction and upload data information in the operating system to a network side data backup platform. With application of the terminal management method and the terminal, loss of important information can be timely prevented after loss of a mobile phone.