Disclosed is a source loading device (200) for radiotherapy equipment (100). The radiotherapy equipment (100) comprises at least a base (10), a host (20) arranged on the base (10), and a source storage box (30). The host (20) comprises at least a shield (21), a source body (22) and a collimator (23), which are enclosed successively, with a cavity (231) having an opening being formed inside the collimator (23), and with a plurality of radiation sources (31) being accommodated inside the source storage box (30). A loading passage (40) for a communication cavity (231) is formed between the host (20) and the base (10). The source loading device (200) comprises a first source loading part (210) and a second source loading part (220). The first source loading part (210) is arranged at the opening of the cavity (231) and comprises a fixed unit (211), a rotating unit (212) and a source loading rod (213), the source loading rod (213) being provided with a first connection part (2133), and each radiation source (31) being provided with a second connection part (311) correspondingly engaged with the first connection part (2133). The second source loading part (220) is arranged on the base (10) and comprises at least a source storage box delivery unit (2201) for driving the source storage box (30) to move along a specific track to a position corresponding to the loading passage (40) when source loading is needed, and the user adjusts the rotation angle of the source loading rod (213) such that the first connection part (2133) is engaged with one of the second connection parts (311).Linvention concerne un dispositif de charge de source (200) pour un équipement de radiothérapie (100). Léquipement de radiothérapie (100) comprend au moins une base (10), un hôte (20) disposé sur la base (10), et une boîte de stockage de source (30). Lhôte (20) comprend au moins un bouclier (21), un corps de source (22) et un collimateur (23), qui sont logés successivement, une cavité (231) ayant une
