A method for determining a location of a target portable device comprising: receiving a location searching request corresponding to a target portable device, the location searching request carrying a device identification of the target portable device; acquiring, according to the device identification of the target portable device, location information of the target portable device sent by another device upon said another device detecting a wireless signal of the target portable device; and sending, according to the location information, a location indicating message regarding the target portable device to a communication terminal bound with the target portable device, characterised in that: the location information is a device identification of said another device; and sending, according to the location information, a location indicating message regarding the target portable device to a communication terminal bound with the target portable device comprises: acquiring an account identification corresponding to the device identification of said another device, and sending an assistance request to a communication terminal which is currently logged in to an account corresponding to the account identification; and if a confirmation message sent from the communication terminal bound with the account corresponding to the account identification is received, sending a location indicating message regarding the target portable device to the communication terminal bound with the target portable device, the location indicating message carrying the account identification. receiving a location searching request corresponding to a target portable device, the location searching request carrying a device identification of the target portable device; acquiring, according to the device identification of the target portable device, location information of the target portable device sent by another device upon said another device detecting a wireless signal of the target portable device; and sending, according to the location information, a location indicating message regarding the target portable device to a communication terminal bound with the target portable device, characterised in that: the location information is a device identification of said another device; and sending, according to the location information, a location indicating message regarding the target portable device to a communication terminal bound with the target portable device comprises: acquiring an account identification corresponding to the device identification of said another device, and sending an assistance request to a communication terminal which is currently logged in to an account corresponding to the account identification; and if a confirmation message sent from the communication terminal bound with the account corresponding to the account identification is received, sending a location indicating message regarding the target portable device to the communication terminal bound with the target portable device, the location indicating message carrying the account identification. the location information is a device identification of said another device; and sending, according to the location information, a location indicating message regarding the target portable device to a communication terminal bound with the target portable device comprises: acquiring an account identification corresponding to the device identification of said another device, and sending an assistance request to a communication terminal which is currently logged in to an account corresponding to the account identification; and if a confirmation message sent from the communication terminal bound with the account corresponding to the account identification is received, sending a location indicating message regarding the target portable device to the communication terminal bound with the target portable device, the location indicating message carrying the account identification. acquiring an account identification corresponding to the device identification of said another device, and sending an assistance request to a communication terminal which is currently logged in to an account corresponding to the account identification; and if a confirmation message sent from the communication terminal bound with the account corresponding to the account identification is received, sending a location indicating message regarding the target portable device to the communication terminal bound with the target portable device, the location indicating message carrying the account identification.