This assistance device (1) is provided with a base platform (2) which can move carrying a person receiving assistance (M), a lifting member (31) which is supported on the base platform so as to be capable of moving up and down, a swinging member (41) which is supported on the lifting member so as to be capable of swinging, a holding member (5) which, supported by the swinging member, holds the upper body of the person being assisted and swings the person forwards from the seated posture to a transfer posture, a first handle unit (432) which is provided on the swinging member or the holding member and which is arranged to the front of the holding member when the person is in the transfer posture, and a second handle unit (542) which is provided on the swinging member or the holding member and which is arranged below the holding member when the person is in the transfer posture. By this means, an assistance provider can, with one hand, hold the first handle unit of the assistance device carrying the person receiving assistance and hold the second handle unit with the other hand, thus operating the assistance device at two positions, facilitating assistance device transfer operations and facilitating position control.L'invention concerne un dispositif d'assistance (1) qui comprend une plate-forme de base (2) qui peut se déplacer en transportant une personne recevant une assistance (M), un élément de levage (31) qui est soutenu sur la plate-forme de base de façon à être capable de se déplacer vers le haut et vers le bas, un élément d'oscillation (41) qui est soutenu sur l'élément de levage de façon à être susceptible d'osciller, un élément de maintien (5) qui, soutenu par l'élément d'oscillation, maintient le corps supérieur de la personne assistée et oscille la personne vers l'avant de la position assise à une position de transfert, une première unité de poignée (432) qui est située sur l'élément d'oscillation ou l'élément de maintien et qui est disposée à l'avant de l
