China is called salty in the north, sweet in the southeast and spicy in the west. Dry food is salty, hot and humid is sweet, and hot and humid is spicy. Guizhou is located in the mountainous area, which is wet and cold, rainy in Sichuan, especially cold when it rains, and the air humidity is high. People who live in Sichuan and spend the winter in the north will have an experience that it is cold and windy in the north. As long as they wear good clothes and scarves, they won't feel cold, but they always feel cold from the inside out in Sichuan. They eat peppers to keep out the cold and damp. This is because pepper contains a substance called capsaicin. Every time you eat Chili, eating Chili will make your heart beat faster, your pores expand, your skin capillaries expand and thicken, your blood speeds up, your sweat glands open, and you sweat all over. The cold and moisture on the body will be driven out of the body and the whole body will feel warm.

Sichuan is located in the mountainous area, with high mountains and dangerous roads, rugged roads, extremely inconvenient transportation, lack of oil and salt, and extremely difficult life for working people. In order to solve this problem, it is necessary to season with acid and spicy food to solve the problem of insufficient oil and salt. Sour soup is sour, and spicy pepper is hot. In the long run, eating, being able to eat and loving peppers has become a special eating habit. Sichuan Province and Hunan Province are both populous provinces in China. Located in the south and southwest of China. Hunan is located in the south of Dongting Lake, with abundant rainfall, mild climate and high humidity. Sichuan is located in the southwest of the birthplace of great rivers, with high mountains and dense forests and warm and humid air. The whole province is surrounded by mountains. The area is shrouded in clouds, and the central part is a vast western Sichuan plain, which belongs to a typical basin climate with high air humidity.

The eight cuisines show the essence of China cuisine. Street snacks in various cities are full of strong humanistic customs, and there are also any combination of sweet, sour, spicy and salty in various places. Few countries in the world can accept spicy food, and Mexico is as far away as Malaysia. China's spicy flavor was originally extracted from ginger, garlic and pepper. At the end of the Ming Dynasty, peppers were introduced to China, adding different delicacies to the dining table. Chongqing cuisine is inseparable from spicy food. Although they are all spicy, they are different. Chongqing's spicy is more particular about spicy, and spicy is hierarchical. The most famous is Chongqing Hot Pot, which is served with special dipping sauce. Stir-fried hot food with sugar, hot pot dipped in sesame oil to enhance fragrance, very spicy.