The utility model is a kind of electrochemical test piece for having hemofiltration function,It include: a first substrate,Have a first surface and a second surface； One electrode system,On the what first surface of position； One reacting pad,On the what electrode system of position,An at least reaction reagent is coated,Biochemical reaction is generated with a sample contact； One the second substrate,On the what reacting pad of position,The second substrate has one first opening,Make reacting pad exposure； One filter membrane,Above the what reacting pad of position,A fluid to be measured is set to become sample； One hydrophilic layer,Above the what filter membrane of position； One third substrate,On the what hydrophilic layer of position,Third substrate has one second opening,Make hydrophilic layer exposure； One tetrabasal,Above the what third substrate of position,There is an indent channel in one side,Corresponding second opening,Enter for fluid to be measured； And one the 5th substrate,On the what tetrabasal of position.本新型為一種具濾血功能的電化學檢測試片，包括：一第一基板，具一第一表面與一第二表面；一電極系統，位於第一表面上；一反應墊，位於電極系統上，塗覆至少一反應試劑，與一樣本接觸產生生物化學反應；一第二基板，位於反應墊上，第二基板有一第一開口，使反應墊暴露；一過濾膜，位於反應墊上方，使一待測流體成為樣本；一親水層，位於過濾膜上方；一第三基板，位於親水層上，第三基板具有一第二開口，使親水層暴露；一第四基板，位於第三基板上方，其一側有一內凹渠道，對應第二開口，供待測流體進入；及一第五基板，位於第四基板上。
