Small and medium fire. It is most suitable to fry spring rolls with medium fire. Medium fire can raise the oil temperature to 50% to 60%, which is helpful to quickly set the skin of spring rolls, avoid flying or absorbing too much oil during frying, and can be flexibly adjusted according to the actual situation and personal taste. Spring rolls, also known as spring cakes, spring plates and pancakes. It is the traditional food of China folk festivals, and it is very popular in China, especially in Jiangnan and other places. Spring rolls are the most widely eaten food in China. They have the meaning of welcoming spring, celebrating and being auspicious. Every year in early spring, people in China eat spring rolls. In Jiangnan, spring rolls are also an indispensable food on the Spring Festival table. Spring rolls are not only a popular folk snack, but also one of the nine main snacks at Manchu-Han banquet in Qing Dynasty.