A combined type storage case for electronic device accessories has a first case, a second case and a third case. The first case includes a first receptacle and a pivotable first plug. The first receptacle and the first plug are electrically connected with each other and allow an electronic device to be charged. The second case is detachably mounted on the first case and includes a chamber defined inside the second case for receiving 16A third case is detachably mounted on the first case and includes a chamber defined inside the third case for receiving earphones. Therefore, different electronic device accessories can be distinguished clearly to avoid confusion and a user can conveniently take out a desired accessory.