The invention relates to a cold rolled thin sheet steel with improved pressure molding performance, good phosphating ability, anti-sticky performance and spot welding performance, which is obtained through controlling the crude pattern on the surface of the sheet steel. The roughness of the surface pattern satisfies an arithmetic mean, i.e. the surface roughness is 0.3Mum to 2.0Mum or at least the uniform parameter is no larger than 0.25 at the same direction. The uniformity of the surface roughness can be assured. |