An immunoreactant carrier of the present invention has an excellent immunotherapeutic effect by stably delivering various immunoreactants including antibodies and cytokines to a target site. Therefore, a composition comprising a carrier of the present invention can be used for immunotherapy, thereby having excellent effects in the prevention or treatment of cancer or various immune diseases.Un support immunoréactif de la présente invention a un excellent effet immunothérapeutique en administrant de manière stable divers immunoréactifs comprenant des anticorps et des cytokines à un site cible. Par conséquent, une composition comprenant un support de la présente invention peut être utilisée pour l'immunothérapie, ayant ainsi d'excellents effets dans la prévention ou le traitement du cancer ou de diverses maladies immunitaires.본 발명의 면역반응 물질 전달체는 항체와 사이토카인을 포함하는 다양한 면역반응 물질을 안정적으로, 표적부위에 전달하여, 우수한 면역치료 효과를 갖는다. 이에, 본 발명의 전달체를 포함하는 조성물은 면역요법용으로 사용가능하여, 암 또는 다양한 면역질환의 예방 또는 치료에 우수한 효과를 갖는다.