A detection device for a mobile phone camera module includes a casing, a power board, a main board, a camera module data interface unit, and a connection port unit, wherein both the power board and the main board are disposed within the casing; the power board is respectively electrically connected with the camera module data interface unit and the connection port unit; the casing has multiple windows for respectively accommodating the camera module data interface unit and the connection port unit; a radiator, a power switch and an indicator light are disposed within the casing, and are electrically connected with both the main board and the power board. Furthermore, the detection device provided by the present invention provides multiple connection ports.