Common transformer foundation and construction method

The invention provides a common transformer foundation and a construction method and relates to the field of electrics. The common transformer foundation comprises a raft, a plurality of strips of H-shaped steel and fillers, wherein the raft is buried into the bottom of a main transformer oil basin; one plane of each H-shaped steel is fixed on the raft; the other plane of each H-shaped steel stretches into the main transformer oil basin; the plurality of strips of H-shaped steel are arranged in parallel; groove openings of the H-shaped steel are filled with the fillers. The common transformer foundation has wide commonality and is suitable for most transformers; meanwhile, the common transformer foundation is convenient to construct and has a short construction period,.