The invention discloses a WiFi (Wireless Fidelity)-Aware group broadcasting method and a WiFi-Aware core device and a WiFi-Aware group member device, and the method comprises the steps: receiving andanalyzing first broadcast information sent by the group member device, and enabling the first broadcast information to carry the device identifier of the group member device; distributing broadcast serial numbers for the group member devices according to the device identifiers, and obtaining group period broadcast information according to the broadcast serial numbers, preset device broadcast durations and the device identifiers; and broadcasting the group broadcast information. According to the WiFi-Aware group broadcasting method, the group broadcast information broadcasted by the core deviceenables the group member device to calculate the broadcast time period according to the broadcast sequence number in the group broadcast information after receiving by the group member device, and broadcast is carried out after the broadcast time period of the group member equipment is calculated, so that broadcast conflicts of all the equipment in the group are avoided.