The invention discloses a floating platform and relates to the technical field of building construction. The floating platform comprises a supporting platform, wherein at least three positioning assemblies are arranged on the supporting platform; each of the positioning assemblies comprises at least one connecting piece; a positioning hole is formed in the connecting piece; a steel tube pile for supporting the supporting platform is clamped in the positioning hole; the connecting piece comprises at least two wedge blocks; the wedge blocks are uniformly distributed on the periphery of the steel tube pile; at least two through holes are formed in each of the wedge blocks; and the axis of each through hole is parallel with the axis of the steel tube pile. The floating platform has the advantages of simple structure, short construction period and high efficiency.