Automatic door opening structure, dish washing machine and control method of dish washing machine

The invention discloses an automatic door opening structure, a dish washing machine and a control method thereof.The automatic door opening structure comprises a base, an elastic piece, a connecting piece, a driving piece and an ejection piece, the elastic piece, the connecting piece, the driving piece and the ejection piece are arranged in the base, and a cavity and a guide hole connected with the cavity are formed in the base; the elastic piece, the connecting piece and the driving piece are coaxially arranged in the cavity and sequentially abut against and make contact with one another in the direction facing the guide hole; the ejection piece is arranged in the guide hole and is in transmission connection with the driving piece; and the driving piece is used for driving the ejection piece to extend out of the guide hole or retract into the guide hole. According to the automatic door opening structure disclosed by the invention, the ejection piece is automatically controlled to stretch out of or retract in