The invention provides a new-energy automobile charging device, a system and a use method. The device is characterized in that the device comprises a charging pile with an umbrella-shaped solar panel,the umbrella-shaped solar panel comprises a worm-shaped main arm, a connector with an inner inclined thread, a short keel, a long keel and a flexible solar panel, the connector is arranged on the main arm, one end of the short keel is hinged to the connector, the long keel is hinged to the other end of the short keel, the flexible solar panel is arranged on the long keel, the bottom end of the main arm is hinged to the top of a charging pile body through an output shaft of an azimuth motor, the structure serves as an output shaft of a worm motor, the flexible solar panel, the azimuth motor and the worm motor are connected with a storage battery of the charging pile, and the azimuth motor and the worm motor are connected with a collector. The charging device can be flexibly started and closed and can adjust illumination angles and charge a new-energy automobile by solar energy, and solar energy and new energy can be maximally utilized as far as possible, energy is saved, and environments are protected.