Ye Erzhen is a traditional snack in Sichuan. Traditional food of Chuanxi Farmhouse Qingming Festival and Chuannan Spring Festival. Ye Erzhen has different names and characteristics in different regions. In Chongzhou and other places, it is also called Ai Wei. In the Sichuan, Yibin, Zhangzhou and Yungui, Zhaotong Zunyi and other places are called pigs. In addition, in the Leshan area, the leaves used by Ye Erzhen are different. The locals use the unique leaves of the local leaves of the genus Corydalis as the eucalyptus leaves, which can be wrapped well.