The utility model relates to a translation formula abnormal shape access door, including the access door, translation formula abnormal shape access door includes the support, first mounting, and the moving member, guide rail and automatic stop device, the access door sets up in the support top, first mounting setting is at the access door back and leg joint, the support sets up on the guide rail, the moving member sets up in the support bottom, the moving member sets up on the guide rail, and can move on the guide rail, and automatic stop device includes the second mounting, the sphere body and elastic component, and the sphere body and elastic component connection, the second mounting is including supporting the end, and the sphere body and elastic component setting are equipped with the through -hole on the guide rail between guide rail and support end, and the sphere of the sphere body has at least the part to pass the through -hole. The utility model discloses an access door is opened or closes to the mode of translation, can carry out automatic locking and limiting to the access door simultaneously for the switching is more convenient, secondly, automatic stop device can prevent the problem that the access door freely becomes flexible.