Where does the spicy chicken come from?

Spicy chicken is a famous dish in Guizhou province. First, clean the chicken, chop it into small pieces, then marinate it with sugar, salt, onion, ginger and Shaoxing wine for about half an hour, then put the chicken in hot oil and heat it to 50% to 60%, put the chicken in a pot, fry it until the surface is golden yellow, take it out, leave some oil in the pot, heat it to 50%, add pepper, onion, ginger, garlic and dried pepper, stir fry, and then