Exhibition hall display cabinet

The utility model relates to the technical field of showcases, in particular to an exhibition hall showcase which comprises a showcase body and a placing plate, a limiting rod, a support, a luminosity sensor, a pressure sensor and an alarm are fixedly installed in the showcase body, a sliding block is sleeved on the limiting rod in a sliding mode, and the placing plate is arranged on the sliding block. A telescopic rod connected with the sliding block is fixedly installed in the display cabinet body, a face recognizer, a control table, a frame and a partition plate are fixedly installed on the support, and a first guide rod is fixedly installed in the support. According to the anti-theft display cabinet, the output end of the telescopic rod stretches out and draws back, so that the whole containing plate can move towards the interior of the display cabinet body, displayed objects are sealed from the two sides through the protection plates, and the display cabinet body has the anti-theft effect on the displaye