A computer case includes a housing and a control panel. The housing includes a first connector. The control panel is detachably connected with a side of the housing. The control panel includes a second connector corresponding to the first connector. When the control panel is connected with the housing, the second connector is electrically connected with the first connector and the control panel is enabled for implementing associated operations. Whereas, when the control panel is detached from the housing, the control panel is disabled but has a burglarproof function.