Abstract: A pet vest is provided, including a vest body, and the vest body includes a neck part, a back part, an abdomen part, and two leg parts. The vest body is provided with rivets, the back part of the vest body is provided with a zipper, the back part of the vest body is detachably connected with a back strap with spikes, the neck part of the vest body is detachably connected with a neck strap with spikes, and the neck part of the vest body is fixed with two D-shaped threading loops, and reflective strips are fixed on both sides of the abdomen part of the vest body. The present disclosure can protect pets from other aggressive dogs. Rivets help reduce daily wear and tear. Threading loops make walking the dog easier. Reflective strips can make pets clearly visible at night or in dark days.