The subject invention provides a hydrophilic film for an ex vivo membrane including: a substrate and a hydrophilic coating formed by a hydrophilic composition on at least one surface of the substrate wherein the hydrophilic composition includes: (a)a reactive binder (b)a surfactant having reactivity and (c)optionally a polyol.本發明提供一種體外膜片用之親水膜,其包含:一基材;及位於該基材之至少一表面上由親水組合物所形成之親水塗層;其中該親水組合物係包含:(a)反應性黏結劑;(b)具有反應性之界面活性劑;及(c)可選多元醇。11‧‧‧親水膜111‧‧‧基材112‧‧‧親水塗層12‧‧‧中隔層13‧‧‧流道14‧‧‧檢測層