The present disclosure provides a baseband chip and a baseband chip management system. The baseband chip comprises an application processor, an interface module, a channel encoder, a digital signal processor, and a modem module group. The modem module group includes an integrated modem module and a power module. The integrated modem module comprises at least two modems. The application processor is connected to the interface module, the channel encoder, the digital signal processor, and the power module respectively. The baseband chip management system comprises a baseband chip and a radio frequency integrated system. The radio frequency integrated system comprises at least two radio frequency module systems.