Necessary seasonings in the kitchen include salt, monosodium glutamate, chicken essence, fragrant leaves, light soy sauce, soy sauce, cooking wine, white sugar, water starch, Chili oil, pepper, oyster sauce, star anise, vegetable oil, lard, bean paste, ginger, fermented bean curd, garlic and spiced powder. Seasonings can be divided into five categories: salty, sweet, sour, spicy and fresh, which are classified according to taste.