An absorbent sheet (100) for pets having a fluid permeable surface sheet (110) that receives pet excrement a fluid impermeable rear sheet (130) and an absorbent body (150) that absorbs fluid that has penetrated the surface sheet (110) is characterized by: the surface sheet (110) being configured so as to receive pet excrement in a state in which the rear sheet (130) is placed in a placement location; the absorbent body (150) being configured as a non embossed area having a surface side covered sheet (161) a rear side covered sheet (163) and an absorbent layer (170); a main absorbent section (151) for excrement being provided in the center area of the absorbent body (150); and the basis weight in at least the main absorbent area (151) in the absorbent body (150) being set so as to be substantially uniform at a prescribed value.