The invention provides a new energy vehicle charging system, which includes a charging pile, a horizontal moving component and a vertical alignment component. The horizontal moving component is installed on the ground on the right side of the charging pile, the vertical alignment component is installed at the upper end of the horizontal movement component, the horizontal moving component includes an installation seat, a first small motor, a first screw rod, a front fixing frame, a first ball nut seat, a rear fixing frame, a rack, a second small motor, a fixing seat, a rotating shaft, a first gear, a second gear, a second rotating shaft and a bottom plate, and the vertical alignment component comprises a moving frame, a second lead screw, a charging plug, a cylinder, a carrier, a third small motor (306), a limit frame, a spring, an iron ring and an electromagnet. Compared with the prior art, the new energy vehicle charging system has the following beneficial effects that adjustment of the horizontal position of the charging plug is convenient, adjustment of the vertical position of the charging plug is further convenient, automatic connection and disconnection of the charging plug are realized, and charging completion reminder can be conducted.