Automatic overhead door and display case

The utility model provides an automatic overhead door and a display case, and belongs to the field of automatic control. The automatic overhead door comprises a door sheet, a lifting push rod for controlling the door sheet to rise and fall, and a lifting push rod control device. The door sheet and the lifting push rod are detachably connected. The lifting push rod control device comprises a lifting push rod drive motor, a motor drive circuit, a power source, a travel switch and a power switch. The lifting push rod drive motor is connected with the lifting push rod, and the travel switch and the motor drive circuit are electrically connected. When the door is installed in the display case, the door sheet in the display case is opened and closed in the mode that the lifting push rod arranged on the door controls the door sheet connected with the lifting push rod to vertically move, a lock does not need to be installed on the door sheet of the display case, and the problem that the display case is damaged to a certain degree after the lock is installed on the display case is avoided.