Automatic opening and closing device for drawer and refrigerator comprising same

The invention relates to an automatic opening and closing device for a drawer and a refrigerator comprising the same. The automatic opening and closing device for the drawer comprises a drawer body, an electromotor, a driving mechanism, an actuation mechanism and a control mechanism, wherein the input end of the driving mechanism is connected with the electromotor; the output end of the driving mechanism is connected with the actuation mechanism; the actuation mechanism is connected with the drawer body to drive the drawer body to move back and forth; the electromotor and the driving mechanism are connected with the control mechanism; and the driving device used for outputting the electromotor and connecting and disconnecting the actuation mechanism is arranged in the actuation mechanism, and/ or a connecting device used for outputting the driving mechanism and connecting and disconnecting the actuation mechanism is arranged between the output end of the driving mechanism and the actuation mechanism. The automatic opening and closing device is convenient to open and close the drawer automatically and manually, the opening distance and range can be changed at will, and manual operation can be carried out in the automatic opening process to quicken the opening speed.