The utility model discloses an ultrasonic wave fur wet processing device. The ultrasonic wave fur wet processing device is characterized in that the device comprises a groove body (1), a bracket (2) and a plurality of ultrasonic wave energy converters or a plurality of ultrasonic wave vibrating spears (3), wherein the ultrasonic wave energy converters or the ultrasonic wave vibrating spears (3) are mounted on the outer side of the bottom of the groove body and are symmetrically arrayed in two rows; an included angle formed by the ultrasonic wave energy converters or the ultrasonic wave vibrating spears (3) which are fixed on the two sides of bottom arc of the groove body is 15 to 45 degrees; the ultrasonic wave energy converters or the ultrasonic wave vibrating spears (3) are connected with an ultrasonic wave power supply through cables; the output power of the ultrasonic wave power supply is 20 to100 KHz and the power is 100 to 5000 W; the groove body (1) is made of stainless steel; a temperature controlled jacket (12) is arranged outside the groove body (1) and is connected with a circulating water heating system (4) through a circulating pump (10), or an electric heating tube (11) is arranged in the temperature controlled jacket (12); a horizontal stirring paddle (7) is mounted in the groove body (1) and is connected with a motor (6) and a controller (9) through a speed reducer (5); a groove cover (8) is arranged on the groove body (1); and the horizontal stirring paddle (7) is a horizontal plate type stirring paddle made of stainless steel.