The invention discloses a bed alarm monitor. The bed alarm monitor is characterized by comprising a master machine and a slave machine, wherein the master machine comprises a wireless receiving unit, a single chip and a display unit; the slave machine comprises a bedridden patient sign sensor, a signal processing unit and a wireless emission unit; the signal processing unit is in charge of processing a signal received by the sign sensor and sending the signal to the wireless receiving unit of the master machine through a wireless emission unit; the wireless receiving unit sends the received signal to the single chip for processing; and the processed signal is displayed by the display unit. According to the bed alarm monitor, the purposes of monitoring life of infants and bedridden patients in positions farther away from the infants and the bedridden patients or in compartments and reducing labor intensity of monitoring are achieved.