According to Baidu Encyclopedia, because rice rolls's profit is still quite high, it's good to set up a stall in Jiangsu to sell rice rolls, knowing the proportion of ingredients, the cost of 1 yuan and the retail price are around 5 yuan, and those with high income can earn about 3, a month.

One of the favorite breakfasts in Guangzhou, rice rolls, also known as Juan Fen and Pig rice rolls, is named after pig intestines.