Sugar porridge is also known as red bean porridge. The custom of eating red bean porridge during the winter solstice was established more than 1600 years ago, and is said to prevent the plague. In the north and south dynasties, Liang Zongxu said in "Remembering the Age of Zhu": "The Gongs have no talents, and they die on the winter solstice, for the epidemic ghost, afraid of red beans, so the winter solstice is made of porridge." Suzhou red bean porridge is particularly fine, red beans and porridge are made separately, and red beans are made into bean paste. The red bean paste was poured on the porridge after the bowl, and the beauty of the red cloud cover snow. Suzhou people call it "sugar porridge".