The utility model discloses a biochemical constant temperature shaking table of multi -functional friction speed air bath, including the door body, box, triangular flask cultivation shaking table, test tube culture shaking table, be provided with the guide rail in the box, be provided with gyro wheel, guide rail and gyro wheel sliding connection on triangular flask cultivation shaking table, the test tube culture shaking table, the inner wall of box is located triangular flask cultivation shaking table below and is provided with first motor, and the triangular flask is cultivateed the shaking table bottom and is provided with first connecting piece, is provided with first cam on the first motor, is provided with first actuating lever on the first cam, first actuating lever and first connecting piece swing joint, the inner wall of box is located test tube culture shaking table below and is provided with the second motor, and test tube culture shaking table bottom is provided with the second connecting piece, is provided with the second cam on the second motor, is provided with the second actuating lever on the second cam, second actuating lever and second connecting piece swing joint. The beneficial effects are that: the practicality is strong, can realize that the shaking table is cultivateed to the triangular flask and the test tube culture shaking table waves with the speed of waveing of difference.