The present invention claims a wireless bedwetting alarm and a disposable diaper product comprising the alarm, wherein the alarm comprises a sensor component, an RFID reader, and an alarm terminal the sensor component is a passive RFID tag or a moisture sensor the sensor obviates the need for a standalone power source apparatus for power supply power is supplied by receiving and converting into electricity the energy wirelessly emitted by the RFID reader, or by obtaining body energy, temperature, or movement of the body of a user the RFID reader uses a wireless mode for transmitting a signal to the alarm terminal to raise an alarm. The present invention adopts passive technology, obviates the use of battery, and is convenient to use, disposable, harmless to human, and of low costs.
