The present disclosure relates to an AR display apparatus frame capable of being mounted on a safety helmet, including a first snap-fit, a second snap-fit, a hat-brim snap-fit, and a support frame, where the first snap-fit and the second snap-fit are symmetrically disposed on a side part of the support frame, the hat-brim snap-fit is disposed on a front end of the support frame, the support frame can be sleeved on the safety helmet, and the first snap-fit, the second snap-fit, and the hat-brim snap-fit are capable of fixedly connecting the safety helmet to the support frame. In the present disclosure, a worker can conveniently call for help in a timely manner while a fastening manner is simple and quick.