After harvesting, the roots should be cut off one by one with scissors, leaving only the stems and leaves above, repeatedly cleaned and mashed. One catty of rat koji with four catties of powder. The powder of the mousetrap is mainly ground rice flour, and a little glutinous rice flour is mixed to enhance the taste. Some people pay attention to it, and they also mix rat koji with powder and mash it repeatedly in the rice cooker to make cakes. The mousetrap is wrapped in the heart and tastes more beautiful. Most cakes are made of dried bacon with onion and garlic sauce and some Chili powder. Cooking is done by housewives, and the children join in the fun. They are printed in peach, round and hexagonal shapes with cotton swabs, and the rake faces are decorated with patterns such as mouse songs and lotus flowers. Some of them are also made into pomegranate, gold ingot, duckling and bird shapes for children to play with. One liter of material can make eight to ten mouse songs.