An animal potty chair, particularly for a dog or cat, is to be used indoor and/or outdoor to aid civilization of domestic animals and to improve quality of life for millions of families with animals. The animal potty chair comprising: (1) a defined space with a surrounding wall-like structure with a one-way entry and one-way exit mean for an animal to release waste to a designated area without leakage to the outside of the top part of the potty chair (2) a downwards operable mesh surface of the potty chair for an animal to stand on safely and to release waste within a protective space (3) a fitting-sealing-fixing adaptor between the potty chair and a toilet, which is to fix the potty chair onto the toilet and to prevent leakage of the animal waste (4) an easy cleaning container for holding animal waste, and (5) a signal system comprising a trigger mean to open the mesh and to flush the toilet by an animal with its body weight. The method on how to use the animal potty chair is also presented. The current invention helps to cause a revolutionary transformation of a pet from an accident-causing animal to a civilized non-human member of the family. The smell of the animal waste is reduced dramatically after the animal gets acquainted with using the current invention of an animal potty chair.
