Vehicle charging plug

The invention discloses a charging plug of a new energy vehicle, which comprises a lock hook, a button, a positioning cover and a base, the lock hook is rotatably connected to a shell and can rotate along a rotation path, and the button has a locking position located on the rotation path of the lock hook and a release position separated from the rotation path. The button is arranged on the positioning cover and can move forwards and backwards relative to the positioning cover, the first elastic piece can elastically deform and enable the button to reset backwards when the button is pressed backwards, the first elastic piece is located between the positioning cover and the base, and when the button is located at the locking position and the releasing position, the first elastic piece is in a relatively loose state; when the button is switched between the locking position and the releasing position, the first elastic piece is in a relatively tight state. The button of the charging plug is not easy to loosen, an