The utility model discloses an ultrasonic wave intensity real -time supervision device, it includes: ultrasonator, ultrasonic wave conversion equipment and ultrasonic wave intensity output device, ultrasonic wave conversion equipment includes aluminium column, the cell, the magazine, detect optic fibre, a wavelength division multiplexer, the demodulator, the pump light source, drive circuit and isolator, wherein, ultrasonator includes waveform generator, power amplifier and ultrasonic transducer, aluminium column passes through the couplant and fixes the upper portion at the excusing from death transducer, aluminium column's upper portion is passed through the couplant and is connected with the ultrasonication position, the cell pastes the side of leaning on at aluminium column, the magazine surrounds the outside at the cell, it includes a first end and second end to detect optic fibre, first end inserts in order to receive the fluorescence signal in the magazine, wavelength division multiplexer connects between the second end and demodulator that detects optic fibre, the isolator is connected between wavelength division multiplexer and pump light source, drive circuit is connected with the pump light source, ultrasonic wave intensity output device be connected with the demodulator.