Mung bean cake is one of the traditional cakes and a summer snack. According to legend, in order to seek safety and health, China's ancient ancestors ate zongzi, realgar wine, mung bean cakes and salted duck eggs on the Dragon Boat Festival.

The main raw materials of mung beans are cooked mung bean flour, steamed sweet potato flour or wheat flour, pea flour, vegetable oil, sesame oil, cooked lard, soft sugar, sugar rose, black jujube meat, sweet-scented osmanthus sugar and so on. It is sweet and cold in nature, non-toxic, and has the effects of clearing away heat and toxic materials, quenching thirst, inducing diuresis to reduce swelling, improving eyesight and removing nebula. It has the characteristics of regular shape, light yellow color, fine and dense texture and soft and waxy taste.