The invention discloses a charging device for a new-energy vehicle. The charging device includes a column and a sliding cavity which is arranged in the column, the upper portion of the left side of the column is provided with an insertion cavity, a power supply part for being in matched connection with a charging part of the new-energy vehicle is arranged in the sliding cavity in an up and down sliding mode, the power supply part includes a downward sliding part and an upward sliding part which is fixedly connected with the downward sliding part, the left side of the upward sliding part is provided with a first power supply hole, the right side of the upward sliding part is provided with a power supply column, and a locking part for locking the charging part is further arranged in the upward sliding part. The charging device for the new-energy vehicle is simple in overall structure, safe and stable in running, relatively low in cost, convenient to mount and maintain and easy to operate, the continuity of electric vehicle charging can be achieved, charging is prevented from being broken midway, and the charging device is suitable for popularization and usage.