The utility model discloses a wireless remote transmission alarm digital display pressure gauge. The device comprises a detection meter box, an operation panel, an NB-iot wireless communication moduleand a microprocessor, wherein an antenna is arranged on one side wall of the detection meter box, a meter cover is arranged on the other side wall of the detection meter box, the operation panel is arranged on the meter cover, a pressure display screen is arranged on the operation panel, and an electric quantity display screen is arranged on one side of the pressure display screen. Beneficial effects are that: the method is suitable for large-scale production; according to the utility model, the pressure sensor adopts the high-quality pressure sensor core; the advantages of high precision, corrosion resistance, vibration resistance, small temperature drift, good stability and the like are realized; a low-power-consumption micro-processing technology is used, a latest low-power-consumptionwide-coverage NB-iot wireless communication module is adopted to send pressure, electric quantity and alarm information at regular time, pressure of various pressure fire-fighting pipe networks is intelligently monitored, energy consumption is low, meanwhile, a lithium battery is adopted for long-term power supply, an external power source is not needed, and installation and use are convenient.