The Al
2O
3/20%Al
2O
3(nm) + 20%ZrO
2 + 60% Al
2O
3(μm)/Al
2O
3 laminated ceramic composites were fabricated by high-shear two-roll milling process. Its mechanical properties were measured and compared with Al
2O
3 and ZrO
2 + Al
2O
3 non-laminated ceram-ics. The results showed that the toughness is great improved by means of laminated composite.The microcracks and tolerant of main crack propagation are the reasons to improved the toughness of laminated ceramic composites.