[PROBLEMS] To provide a body fluid-absorbing sheet having excellent body fluid-absorption properties and application properties which can absorb a body fluid originating in a part, from which the body fluid is secreted and discharged in a large amount and/or over a wide range, when directly applied to the skin. [MEANS FOR SOLVING PROBLEMS] A body fluid-absorbing sheet (10). Namely, a body fluid-absorbing sheet (10) which is to be directly applied to the skin and absorbs a body fluid, comprising a body fluid-absorption layer (11) having water absorptivity and a pressure-sensitive adhesive layer (12) located at least one side of the body fluid-absorption layer (11) to be in contact with the skin.