The present invention relates to a medical tube membrane fixing device for fixing and supporting a medical tube member. More specifically, a tube member inserted in an affected region by being extended from a liquid discharge container of a medical low pressure continuous suctioning unit, is prevented from skidding or rotating, and the separation of a medical tube member is prevented. The medical tube membrane fixing device comprises a fixing support (100) for fixing and supporting a tube member (20), and a fixing pad (200) for attaching the same to the human body.COPYRIGHT KIPO 2016본 발명은 의료용 튜브부재를 고정 및 지지하기 위한 고정장치에 관한 것으로, 더욱 상세하게는 의료용 저압지속 흡인기의 배액용기로부터 연이어져 환부로 삽입되는 튜브부재의 미끄러짐이나 회전을 방지함과 아울러 의료용 튜브부재의 이탈을 방지할 수 있는 의료용 튜브부재 고정장치에 관한 것이다.