"Cold dish and hot dish" is a concept that is often heard in China's food culture. Among them, cold dishes usually refer to refreshing, pickled and cold dishes, and most of them need to be kept in the refrigerator to achieve the best eating effect. Such as _ mixed melon slices, yuba cold dishes, cold cucumber, yuba, vermicelli and so on. On the other hand, hot dishes need to be heated, fried or baked to cook. For example, kung pao chicken, Mapo tofu, grilled fish and so on.

Cold dishes and hot dishes are based on the concept of different dietary needs in different seasons. For example, in summer, when the temperature is high, it is easy to feel irritable, so you need to eat some cool and appetizing foods, and add some seasonings such as salt, sugar, vinegar and soy sauce to the cold dishes to make them taste better, cool and pleasant. In winter, when the temperature is low, people tend to feel cold. At this time, you need to eat some hot dishes that can bring warmth. These foods include high-calorie meat and digestible vegetables.

In addition to the influence of seasons, the choice of cold dishes and hot dishes will also be affected by different occasions. For example, at a party or banquet, there are usually all kinds of cold dishes and hot dishes with bright colors and diverse tastes to cater to the warm atmosphere and appetite of the banquet. Family-style dining will pay more attention to the balance between the types of dishes and tastes. Due to improper collocation, it is easy to cause problems such as poor appetite. For example, parents prefer to mix hot dishes and rice in their daily meals, which is convenient and fulfilling.