Do you mean Jackie Chan? If so, it's impossible to say definitively what his *favorite* stunt is, as he's performed thousands over his long career.
However, some of his most famous and impressive stunts include:
* The "Jump Across Buildings" Stunt: From the movie "Police Story" (1985), where he jumps between two buildings.
* The "Jump Down the Pole" Stunt: In the movie "Armour of God" (1986), he jumps from a rooftop onto a flagpole.
* The "Dizzying Glass Slide" Stunt: From "Rush Hour 2" (2001), where he slides down a large glass building.
Ultimately, Jackie Chan is known for his dedication to performing his own stunts, making it hard to pick just one as his favorite.