α decay energies of 323 heavy nuclei with Z 82 are evaluated with a macroscopic-microscopic model. In this model, the macroscopic part is treated by the continuous medium model and the microscopic part consists of shell and pairing corrections based on the Nilsson potential. α decay half-lives are calculated by Viola-Seaborg formula. The results of α decay energies and half-lives are compared with experimental values and satisfactory agreement is found. The recoiling e?ect of the daughter nucleus on α decay half-life is also discussed. α decay energies of 323 heavy nuclei with Z 82 are evaluated with a macroscopic-microscopic model. In this model, the macroscopic part is treated by the continuous medium model and the microscopic part consists of shells and pairing corrections based on the Nilsson potential. α The results of α decay energies and half-lives are compared with experimental values ​​and satisfactory agreement is found. The recoiling e? ect of the daughter nucleus on α decay half-life is also discussed.