A pet urinal pad having a detection function, wherein a urinal pad body of the pet urinal pad has a stratiform structure includes: a non-woven fabric coating layer on top, a PE film leakage prevention layer at bottom, an absorbing layer arranged between the non-woven fabric coating layer and the PE film leakage prevention layer and a toilet paper absorbing layer arranged between the PE film leakage prevention layer and the absorbing layer, wherein a plurality of detection regions embedded with different functional color-development agents are arranged between the non-woven fabric coating layer and the absorbing layer, wherein the plurality of detection regions are arranged in different shapes.
