The invention discloses a general surgical liquid nitrogen treatment auxiliary device, which is within the field of medical device technology. The device includes an adjusting device and a spindle rod; a liquid coating protection device is installed on the installation disk; the carrier plate is mounted on a power device; the liquid coating protection device comprises an annular liquid supply hoseand an annular liquid return hose; a discharge pipe is installed in the installation hole; a suction pipe is slidably installed in the through hole; the adjusting device comprises a transparent tapered adjusting cap; the power device comprises a 'C' shaped bracket; a side surface of the carrier disk is provided with a guiding groove along the annular shape; a driving motor is mounted at a front end of the lower end of the handle; a rubber wheel is mounted on the output end of the driving motor; the end surface of the rubber wheel is in frictional contact with the side of the carrier disk. Thedevice has the beneficial effects that the rapid and uniform liquid nitrogen application can be realized, the excess liquid nitrogen can be recovered in time, the liquid nitrogen damage is reduced, and the operation is convenient and fast with high safety.