There are many stir-fry dishes in China's diet, because stir-fry dishes are one of the main cooking methods in China. Stir-frying is to stir-fry the ingredients quickly at high temperature, so that they are cooked thoroughly, maintain nutrition, and at the same time add flavor and taste to the ingredients.

First of all, the history of cooking can be traced back to ancient China. At that time, most families used simple stoves to cook, and stir-frying just met this demand: it required short cooking time and relatively simple ingredients.

Secondly, the climate and geographical conditions in China also affect the popularity of cooking. The climate in China is changeable all year round. Cooking can flexibly choose ingredients according to seasonal changes, and quickly adjust the temperature during cooking to adapt to different climatic conditions. In addition, China is a big agricultural country with a wide variety of ingredients. Cooking can mix different ingredients together to produce rich and colorful flavors.

Finally, cooking plays an important role in China's food culture. China people like to associate food with food culture, and like to share delicious food with family and friends. Cooking is simple and easy, it can be done at any time, and it is also convenient to mix with other ingredients to form dishes with different tastes. Therefore, stir-frying has become one of the most common cooking methods in China people's daily life.

To sum up, cooking plays an important role in China's diet, not only because of its unique historical, geographical and cultural background, but also because of its simple cooking method, flexible ingredients and delicious taste, so it is deeply loved and respected by people.