Alarm reminding method for preventing tourist getting lost

The invention discloses an alarm reminding method for preventing a tourist getting lost, comprising step S1 of setting up an RFID reading device and a waiting area; step S2 of establishing an information backup database and distributing an identification device to the tourist; step S3 of automatically reading and uploading an ID code in an RFID e-tag of the tourist by the RFID reading device; stepS4 of determining identity information of the tourist and determining position of the tourist according to the ID code and unique number; step S5 of determining a time gap between a ward and a custodian according to corresponding time; step S6 of sending an alarm signal to both the ward and the custodian respectively; and step S7 of asking the ward to wait at a corresponding waiting area and thecustodian to find the ward at the corresponding waiting area. Upon its application, effective monitoring on touring process of the accompanying ward and the custodian can be performed and it is automatically determined on whet