Encircling prosthesis capable of retaining intramedullary nail

The utility model discloses an embracing type prosthesis capable of retaining an intramedullary nail, which comprises at least two main body pieces, each main body piece is of a plate-shaped structure, a plurality of main body pieces are sequentially connected on the outer side of the intramedullary nail to define a cavity capable of containing the intramedullary nail, and the embracing type prosthesis is formed. The main body piece is of the open-loop structure, so that an original intramedullary nail of a patient does not need to be dismantled, the main body piece is directly embraced to achieve assembly on the premise that the intramedullary nail is reserved, trauma to bones of the patient in the process of dismantling the original intramedullary nail is well avoided, the total time of an operation is remarkably shortened, and the intramedullary nail is suitable for being used in the medical field. The total amount of bleeding in the operation and the infection risk after the operation are further reduced