An organic light emitting device and a manufacturing method thereof and a display apparatus are provided. The organic light emitting device includes a first electrode, a second electrode, a third electrode and an organic material functional layer, and the organic material functional layer is disposed between the first electrode and the second electrode, the third electrode is disposed on a side of the first electrode close to the organic material functional layer; the third electrode is insulated from the first electrode, and part of the third electrode is overlapped with the first electrode; a distance between the first electrode and the second electrode is greater than a distance between the third electrode and the second electrode.