A kind of bag filter fixing piece of what is closed in this creation, and bag filter is fixed in dialysis slot with what, is allowed in complete Shen leaching what dialyzate, to promote dialytic efficiency. This creation includes: a shell, has a shell wall to define inside one； One main opening, forms on the what shell, so that a bag filter is by accommodating what inside this； And plural through-hole, it is formed on the what shell, the inside and the external world for making the shell are in fluid communi.本創作關於一種透析袋固定件，用於將透析袋固定在透析槽內，使之完全沈浸於透析液中，以增進透析效率。本創作包含：一殼體，其具有一殼壁以界定出一內部；一主要開口，其形成於該殼體上，以供一透析袋通過而容置於該內部；以及複數通孔，其形成於該殼體上，使該殼體的內部與外界呈流體連通狀態。
