The invention discloses an anti-collision assistor for a battery pack of a new energy automobile. The assistor comprises an accommodating seat, an accommodating groove is formed in the top of the accommodating seat, the same bearing plate is mounted on the inner walls in the two sides of the accommodating groove in a sliding way, a battery pack body is pasted to the top of the bearing plate, sidegrooves are formed in the two sides of the accommodating seat respectively, the inner walls of the sides close to each other of the side grooves are provided with rotating holes respectively, the samerotating shaft is mounted in the two rotating holes, a vertical plate is welded to the bottom of the bearing plate, a gear fixedly sleeves the outer side of the rotating shaft, the side, close to therotating shaft, of the bearing plate is fixedly provided with a tooth bar, the gear is engaged with the tooth bar, a base plate is welded to the bottom of the vertical plate, and first buffer springsare welded to the bottom of the base plate. The anti-collision assistor is simple in structure and convenient to use, the battery pack body can be buffered and protected effectively, heat is taken away from the battery pack body while the battery pack body is buffered, and the using requirements of users can be met.