Offshore wind power hoisting tower crane and mounting base thereof

The utility model relates to an offshore wind power hoisting tower crane and a mounting base thereof, the mounting base of the offshore wind power hoisting tower crane comprises a base body of a frame beam type structure, the upper end of the base body is provided with a mounting part for mounting a tower body of the tower crane, one side of the base body is provided with a connecting layer for being connected to a foundation pile of the offshore wind power, and the connecting layer is provided with a plurality of connecting holes. The number of the connecting layers is at least two, the connecting layers are arranged at intervals in the vertical direction, and each connecting layer is provided with a connecting part which is used for extending towards a foundation pile of offshore wind power and is fixedly connected with a lifting lug on the foundation pile of the offshore wind power. The mode of a traditional offshore wind turbine installation platform is completely abandoned, the operation risk of offshore