The present invention relates to a fibrous membrane used for tissue repair and products and preparation methods thereof, wherein the fibrous membrane used for tissue repair is formed by interweaving fibrous filaments with diameters of 10 nm-100 μm, and has a porous structure, with the fluffiness of 200-2,000 cm3/g. In addition, the present invention also relates to a composite fibrous membrane, an implantable membrane and an anti-adhesion tissue repair membrane comprising the fibrous membrane used for tissue repair as well as preparation methods and applications thereof.
