The present disclosure provides a processing apparatus and a processing system, that the processing apparatus includes: a first main body having a first plane and a second plane adjacent to the first plane; a display device disposed on the first plane; and a first interface that is matched with a second interface of an acquisition apparatus, and is configured to obtain multimedia data collected by the acquisition apparatus from the second interface after the acquisition apparatus is detachably fixed to the second plane. The processing apparatus supports the accessory-type acquisition apparatus, which satisfies diversified use requirements.