First, breakfast porridge (meaning "everything is comprehensive"), breakfast camp must be comprehensive, and staple food, eggs, vegetables, fruits and milk are the best. Moreover, a good bowl of porridge can release nutrition by adding different ingredients in long-term cooking, and it will also make the stomach comfortable and easy to digest and absorb. Red bean and coix seed porridge for clearing away heat and dampness is recommended here, mainly considering that children will have moisture in their bodies after eating cold drinks in summer, and some candidates will affect their normal performance due to gastrointestinal discomfort and stomach discomfort before the exam.
Second, braised pig's trotters (nicknamed "No.1 Pig's trotters"), the reason why braised pig's trotters are called "No.1 Pig's trotters" stems from a story: It is said that during the Guangxu period, a candidate named "Zhao Yijiong" in Qingyan, Guizhou Province wanted to go to Beijing to take the exam. Before leaving, his mother worried that he was not used to eating on the road and could not eat well, so she marinated a pot of trotters for him to eat on the road. Unexpectedly, in the end, he really became a to beno. 1. Since then, Qingyan braised trotters have not only become the famous food of Qingyan, but also the "champion trotters".
Solemnly declare: the answer is for reference only, please don't be blindly superstitious.