The invention provides mixed pulp, which has high loose depth, high opacity and large tearing index. The primary color straw pulp accounts for 15 to 95 percent of the weight of the mixed pulp, the mixed pulp comprises one kind or the free combination of more than two kinds of materials of wood pulp, cotton pulp, bamboo pulp or secondary fiber, the loose depth of the primary color straw pulp is between 1.98 and 2.30 dm<3>/g, the opacity is between 89 and 99 percent, and the tearing index is between 3.5 and 6.0 mN*m<2>/g. The invention also provides cultural paper. The mixed pulp has high loosedepth, high opacity and large tearing index, a pulp material with low cost and simple pulp making process is mixed in the mixed pulp, and paper products made through the papermaking process have the characteristics of loose depth, high opacity, large tearing index of the paper products, soft color, simple and natural effect, simple manufacture process, low manufacture cost and the like.