A communication module and corresponding portable terminal are provided. The communication module includes an NGFF interface, a switch unit, a charge protection unit, and a delay unit, The switch unit is for controlling connection and disconnection of a power supply between a power supply end of the communication module and the power supply pins. The charge protection unit is for power charging when the switch unit is turned off, and for eliminating an impact current generated at the instant when the switch unit is turning on. The delay unit is for controlling the switch unit's delay turning on. The communication module and corresponding portable terminal are able to ensure the integrality and stability of data.