Hunan cuisine features hot and spicy flavors and a wide range of dishes with dark color, strong oil and cheap price. It is spicy, fragrant, soft and tender, emphasizes the matching of materials and the infiltration of taste. Hunan cuisine is especially sour and hot. Relatively speaking, Hunan cuisine is better at stewing, which is almost perfect. Stewing can be divided into red and white one in terms of color change and into light, thick and milky broth in terms of seasoning. By stewing over the low heat, the original flavor is maintained.