Wireless communication alarm apparatus preventing being lost

The utility model relates to a wireless communication alarm apparatus preventing being lost. The alarm apparatus comprises a plurality of host machines and a plurality of auxiliary machines. The host machine comprises a main control wireless communication circuit, a keying circuit, a network communication circuit, a display driving circuit, and an alarm output circuit which are respectively connected with a main control MCU. Outside of the hose machine is provided with keys. A display driving circuit is connected with a display screen. The alarm output circuit is connected with an alarm apparatus. The auxiliary machine comprises an auxiliary control wireless communication circuit, a satellite positioning circuit, a key detection circuit, a speed detection circuit, a vibration drive circuit, and a voice output circuit. The vibration drive circuit is connected with a motor. The voice output circuit is connected with a loudspeaker. As long as other host machines or auxiliary machines exist in a coverage area of the auxiliary machine, various information of the auxiliary machine can be transferred, thereby ensuring every user of the auxiliary machine can communicate with the outside world and getting assistance in time.