Fairy food is a kind of spring food and a special dish in Chaoshan area of Guangdong Province. People who don't understand it will regard it as mustard, because spring vegetables are between Chinese cabbage and mustard, which have both the sweetness of Chinese cabbage and the bitterness of mustard. Spring vegetables are a kind of lettuce with short stems. Spring vegetables are also called phoenix tail head vegetables and spring mustard. Different regions have different names. It is one of the delicious vegetables that can't be missed in spring. Spring vegetables are crisp in taste, slightly bitter in sweetness, and slightly sweet in mouth after eating. It has a certain effect of clearing away heat and reducing fire, and is deeply loved by diners. Especially after the Spring Festival, curtilage people eat greasy and high-calorie foods such as fried dough sticks and fried cat ears. Eating more spring vegetables after the Spring Festival is very helpful to help the intestines clear their intestines and get rid of greasy food. Eating it can give a bath to the stomach and remove the stomach fire and intestinal garbage accumulated in the New Year.