The invention discloses an automatically managed smart charging pile for new energy automobiles and a smart charging method. The automatically managed smart charging pile comprises a mechanical portion and a control portion, wherein the mechanical portion comprises a slideway with a chute, and a slide carriage, of a charging unit, arranged in the chute. The charging unit comprises the slide carriage, a rotary base and a charging pile housing, wherein a charger and a controller are arranged on the charging pile housing. The control portion comprises a processor, wherein the input end of the processor is respectively connected with a fingerprint identification plate, a card reader, a time relay, an input button and a vibration sensor, and the output end of the processor is respectively connected with a display screen, a loudspeaker, a clock module, a wifi module, a communication module, an induction switch, an electromagnetic switch and a camera. The automatically managed smart charging pile has the advantages of simple structure, reasonable design, convenient operation and use flexibility. The automatically managed smart charging pile charges portable electrical devices while charging a new energy automobile, and damage to the charging devices due to sabotage or urban waterlog can be prevented.