Adjustable lamp for display cabinet

The adjustable lamp comprises a showcase base, a power connection control cabinet is fixedly installed on the top of the showcase base, a bearing table plate is fixedly installed on the top of the power connection control cabinet, and a sliding exhibition stand electrically connected with the power connection control cabinet is installed on the top face of the bearing table plate in a sliding mode. And a glass cover which is fixedly connected with the bearing table plate covers the outer part of the sliding exhibition stand. According to the scheme, the adjustable spotlight is electrically connected with the control terminal through the wiring mainboard, in the working process of the device, a user can control the servo motor through the control terminal to drive the rotating shaft frame to rotate at a constant speed, and then the multiple sets of spotlight bodies are driven through the rotating shaft frame to change the light irradiation angle; the adjustable spotlight and the LED light bar are electrically