1. Zongzi contains mung beans and red beans, which are edible.

2. Zongzi, also known as "corner millet" and "tube rice dumpling", is made by steaming glutinous rice wrapped in rice dumpling leaves. It is one of the traditional festival foods of the Chinese nation. Zongzi appeared as early as the Spring and Autumn Period, and was originally used to worship ancestors and gods. In the Jin Dynasty, zongzi became a food for the Dragon Boat Festival.

Folklore says that eating rice dumplings is to commemorate Qu Yuan. Zongzi, as one of the traditional foods with the most profound cultural heritage in China, has also spread far and wide. Japan, Vietnam, Singapore, Malaysia, Myanmar and other places where Chinese people live together also have the custom of eating rice dumplings.

The legend of Zongzi was passed down to commemorate Qu Yuan, who threw himself into the river. It is a traditional food with the deepest cultural heritage in Chinese history. There are many kinds of rice dumplings. In terms of fillings, in the north there are Beijing date rice dumplings stuffed with jujubes; in the south there are various fillings such as bean paste, fresh meat, eight treasures, ham, egg yolks, etc. Among them, Zhejiang Jiaxing rice dumplings are the representative ones. The custom of eating rice dumplings has been observed for thousands of years every year on the fifth day of the fifth lunar month. Every Chinese family has soaked glutinous rice, washed rice dumpling leaves, and made rice dumplings. In 2012, rice dumplings were selected into the second episode of the documentary "A Bite of China" "The Story of Staple Food" One of the series of delicacies.

3. Mung bean (Vigna radiata (Linn.) Wilczek.), belongs to the Fabaceae family. Also known as green adzuki beans (named for their green color), black beans, plant beans, etc., they have been cultivated in China for more than 2,000 years. The origin is in India and Myanmar. Nowadays, it is commonly grown in various countries in East Asia, and a small amount is also grown in Africa, Europe, and the United States. China, Myanmar and other countries are the main exporters of mung beans. The seeds and stems are widely eaten. The heat-clearing power of mung beans lies in the skin and the detoxifying power lies in the flesh. Mung bean soup is a common summer drink for families. It is refreshing and appetizing, and is suitable for all ages. Traditional mung bean products include mung bean cake, mung bean wine, mung bean cake, mung bean paste, mung bean vermicelli, etc. In fact, mung beans also have another color, yellow. This quality is very rare and is currently only seen in Poyang, Jiangxi. The appearance is yellow, the bean skin is thinner than green, and the nutrition is better!

Pinto beans are also known as runner beans, multi-flowered beans, multi-flowered beans, kidney beans, large red beans, tiger beans, lucky beans, tiger beans, tiger beans, flowered round beans, etc. The seeds are shaped like animal kidneys and are white and brownish-red in color. Pinto beans are an annual herbaceous plant in the genus Phaseolus of the Fabaceae family. The fruit is rich in nutrients and edible.