To provide a form fixing structure for precast reinforced concrete footing that can firmly fix forms for consrete casting around parts for in-site casting of concrete for precast parts for precast reinforced concrete footings.

For a form fixing structure for precast reinforced concrete footings 20, embedment nuts 31 are embedded in the reverse side at the jointing ends of the precast reinforced concrete footings 20, and a flange 33 is provided at the middle part of each of shaft bolts 32 screwed down onto the embedment nuts 31. Then a form 28 is fixed, being held between nuts 34 to be screwed down onto the shaft bolts 32 and the flanges 33.