A foldable barrow includes a frame assembly. The frame assembly comprises a tie rod assembly, two front wheel carrier assemblies, two rear wheel carrier assemblies, two side wall assemblies, a front wall assembly, a rear wall assembly, a bottom frame assembly, four upper fixing seats, two tie rod fixing seats, and two lower fixing seats. The foldable barrow is attractive in structure, can be folded easily and rapidly, has a small size after being folded, occupies a small space, and is more convenient to carry and transport compared with traditional non-foldable barrows.