The utility model discloses a finishing device convenient for combing hair for pets. The device comprises a main body and a groove, a storage mechanism is arranged above the main body, a mounting mechanism is arranged on the lower middle portion of the inner side of the main body, a protection mechanism is mounted below the mounting mechanism, the groove is located in the middle of the inner sidewall of the rear end, close to the mounting mechanism, of the main body, a sliding rod is mounted in the groove, and a handle is fixed to the middle of the outer side of the mounting mechanism. The finishing device convenient for combing hair for pets is provided with the protection mechanism; in the combing process of pet hairs, the pet hairs are combed; pet hair is left on the hairbrush; the hairbrush is inconvenient to clean; therefore, the clamping plates are pushed upwards until the clamping plates are completely clamped in the clamping grooves, namely the protective net is fixed, the protective net can shield hair and prevent the hair from being left on the brushes conveniently, the protective net can be detached by pulling the protective net downwards until the clamping plates are separated from the clamping grooves, and the protective net can be cleaned conveniently.