The application discloses a terminal and a Type C interface anti-corrosion method. In the terminal, a processor is separately connected to a motion sensor and an interface chip. The interface chip is separately connected to the processor and a CC pin in a first Type C interface. The motion sensor is configured to monitor a motion status of the terminal, and the processor is configured to control, according to the motion status of the terminal, the interface chip to configure the CC pin of the first Type C interface to be in a low-level mode when it is determined that the motion status of the terminal changes from a moving state to a static state. When the motion status of the terminal changes from the moving state to the static state, the change in the motion status of the terminal is that the terminal is disconnected from an external device.