The utility model relates to a transformer bobbin with multi-stage terminals, comprising a sleeve, a primary pedestal and a secondary pedestal connected with one end of the sleeve, a plurality of primary terminals arrayed in a row, and a plurality of secondary terminals arrayed in multiple stages. The utility model also provides a transformer bobbin structure with multi-stage terminals, wherein the two ends of the secondary bobbin are connected with at least two the secondary terminals to provide the preset minimal leakage and slot distance; the transformer bobbin structure provided in the utility model is characterized by good positioning effect, cost saving, simple manufacturing and meeting the safety criteria, and avoids the drawbacks in the normal art.