Actuating mechanism with automatic door opening and closing function

The actuating mechanism with the automatic door opening and closing function comprises a motor, a transmission structure, a push rod, a connector and a door holder, and the motor drives the push rod to move through the transmission structure; the connector is mounted at one end of the push rod; after the connector is inserted into the door holder, when the connector is located at the third position, the door holder prevents the connector from moving. The executing mechanism is independent of the door lock of the household appliance, and can be universally used for the household appliance with different door locks or without door locks, such as a dish washing machine, a washing machine, a refrigerator, a microwave oven and the like. Under the control of a software system of the household appliance, automatic door opening and closing of the household appliance can be achieved, user experience is improved, the situation that the door is not closed in place or the household appliance is damaged due to misoperatio