A cooking appliance including a body provided with a heating part, a control panel detachably provided at the body, and a coupling unit configured to allow the control panel to come into close contact with the body. The coupling unit includes a first lever rotatably provided at an inner side of the control panel and is configured to receive an external force outside the control panel. The coupling unit also includes a second lever provided in between the control panel and the body to allow the control panel to come into close contact with the body while interlocked with an operation of the first lever.