Mobile phone assistant positioning circuit and mobile phone shell

The invention provides a mobile phone assistant positioning circuit and a mobile phone shell. The mobile phone assistant positioning circuit comprises an antenna, a radio frequency and baseband circuit module, a processor and an interface module; the antenna is electrically connected with the radio frequency and baseband circuit module; the radio frequency and baseband circuit module is electrically connected with the interface module; the processor is electrically connected with the radio frequency and baseband circuit module; and the processor is electrically connected with the interface module. The mobile phone assistant positioning circuit can realize high-precision positioning function, and is suitable for a mobile phone without adopting a high-precision positioning chip; an application scene of the mobile phone assistant positioning circuit is increased, and the positioning information computation step can be accomplished by utilizing the mobile phone, the burden of the processorcan be effectively reduc