Liquid agent prepared from enzyme, the method for an enzyme granule preparation, manufacture enzyme granule use fluidized bed dryer, and wherein enzyme granule is heat-staple, is existed without thermostabilization coating. The enzyme granulate phytic acid enzyme granulate is for manufacturing animal feed, and wherein phytic acid enzyme granulate is heat-staple, after about 63% to about 134% its activity granulation is kept without thermostabilization coating and phytase,At 80 °C.