A system for manufacturing non-woven gauze product, comprising: a picker for opening, cleaning and blending raw cotton; a carding machine provided downstream of the picker for further opening and cleaning the raw cotton and carding for fiber-web (20, 100) forming; a lapping platform provided downstream of the carding machine for spreading the fiber-web (20, 100) in an overlapped manner upon a set specification; a sensing line transporter for transporting a sensing line (804, 901) to the lapping platform and to a place between upper and lower fiber-webs (805, 806) delivered by one or more carding machine; the lapping platform being provided with a press roller for pressing the sensing line (804, 901) delivered by the sensing line transporter to the place between the upper and lower fiber-webs (805, 806) when spreading the fiber-web (20, 100) in an overlapped manner; a spunlace device provided downstream of the lapping platform for water jetting the overlapped fiber-web (20, 100); the spunlace device comprising a first spunlace machine and a second spunlace machine; the first spunlace machine including a first rotatable barrel and a first spunlace support net surrounding the first barrel; the second spunlace machine including a second rotatable barrel and a second spunlace support net surrounding the second barrel, the second spunlace support net having a shaping layer, the shaping layer being provided thereon with pointed projections disposed in a matrix arrangement and a through hole, each pointed projection having a tapered top and a bottom of rectangular cross-section, the bottom size of each pointed projection being larger than the bottom distance between two adjacent pointed projections; and an aftertreatment device provided downstream of the spunlace device for post-processing the product obtained after water jetting process to receive non-woven gauze product. a picker for opening, cleaning and blending raw cotton; a carding machine provided downstream of the picker for further opening and cleaning the raw cotton and carding for fiber-web (20, 100) forming; a lapping platform provided downstream of the carding machine for spreading the fiber-web (20, 100) in an overlapped manner upon a set specification; a sensing line transporter for transporting a sensing line (804, 901) to the lapping platform and to a place between upper and lower fiber-webs (805, 806) delivered by one or more carding machine; the lapping platform being provided with a press roller for pressing the sensing line (804, 901) delivered by the sensing line transporter to the place between the upper and lower fiber-webs (805, 806) when spreading the fiber-web (20, 100) in an overlapped manner; a spunlace device provided downstream of the lapping platform for water jetting the overlapped fiber-web (20, 100); the spunlace device comprising a first spunlace machine and a second spunlace machine; the first spunlace machine including a first rotatable barrel and a first spunlace support net surrounding the first barrel; the second spunlace machine including a second rotatable barrel and a second spunlace support net surrounding the second barrel, the second spunlace support net having a shaping layer, the shaping layer being provided thereon with pointed projections disposed in a matrix arrangement and a through hole, each pointed projection having a tapered top and a bottom of rectangular cross-section, the bottom size of each pointed projection being larger than the bottom distance between two adjacent pointed projections; and an aftertreatment device provided downstream of the spunlace device for post-processing the product obtained after water jetting process to receive non-woven gauze product.