A device for assisting taking off and putting on a garment with sleeves, comprising: - a base body configured to be mounted on a support structure, the base body comprising a first portion extending away from the support structure and a second portion located opposite to the first portion and extending away from the support structure between which portions a space is provided, which portions (4, 5) each has an outer end (4a, 5a) facing away from the support structure, wherein an opening for insertion of a part of a sleeve of the garment into the space is provided between the outer end of the first portion and the outer end of the second portion, - a closing member hingedly connected to the first portion of the base body, and - a holding arrangement configured to connect the base body to the support structure, wherein the base body is adjustable into different heights along the holding arrangement, characterized in that the closing member is pivotable between an opening position in which it extends away from the opening into the space so as to allow a part of a sleeve to be inserted therein, and a closing position in which a contact surface of the closing member facing away from the space abuts a contact surface of the second portion of the base body facing the space in such a way that a part of a sleeve which has been inserted into the space is clamped between the closing member and the second portion by friction against these contact surfaces (10, 11) when a user of the garment pulls the sleeve in a direction away from the opening, and in that the holding arrangement comprises an elongated element with a groove extending along the longitudinal direction of the element, the base body is configured to be fastened in the groove, and the base body comprises a retaining member configured to be inserted into the groove of the element and to retain the base body at the element, and an engaging member configured to be received in and secure the base body to one of a plurality of receiving members arranged at different heights along the element, so that the base body is adjustable between a fixed position in which the engaging member is received in a receiving member and secures the base body at a determined height along the element, and a slidable position in which the engaging member is released from the receiving member and the base body is vertically slidable along the element via the retaining member. - a base body configured to be mounted on a support structure, the base body comprising a first portion extending away from the support structure and a second portion located opposite to the first portion and extending away from the support structure between which portions a space is provided, which portions (4, 5) each has an outer end (4a, 5a) facing away from the support structure, wherein an opening for insertion of a part of a sleeve of the garment into the space is provided between the outer end of the first portion and the outer end of the second portion, - a closing member hingedly connected to the first portion of the base body, and - a holding arrangement configured to connect the base body to the support structure, wherein the base body is adjustable into different heights along the holding arrangement,