The invention relates to the technical field of grease processing, in particular to a safe degassing kettle for grease processing. The safe degassing kettle comprises a degassing kettle body, a firstmotor, a first electric cylinder, a second electric cylinder and a second motor are mounted on the degassing kettle body, the first motor is rotatably connected with a turntable, a reciprocating groove is formed in the turntable, and the turntable is rotatably connected with a driving shaft; the driving shaft is engaged with the inner side wall of the degassing kettle body, the driving shaft is rotatably connected with a reciprocating screw in an engaged mode, the reciprocating screw is in threaded connection with a reciprocating table, the reciprocating table is slidably connected with the reciprocating groove, the reciprocating table is connected with a concentrating plate, the first electric cylinder is connected with a partition plate, a baffle and a base, and the second electric cylinder is connected with an eliminating plate and a plurality of puncture cones; and the second motor is rotationally connected with a scraping mechanism through a second rotating shaft, a third bevel gear, a pushing shaft and a fourth bevel gear, the discharging pipe is sleeved with a heating mechanism, bubbles of the grease feed liquid can be conveniently treated, meanwhile, discharging is smooth,and practicability is high.