In the process of selling sugar, Liu Bowen creatively softened sugar and made all kinds of sugar people, such as chickens and puppies, which were so cute that children rushed to buy them. On the way, many people asked Liu Bowen to teach sugar blowers, and Liu Bowen taught them one by one. As a result, this craft has spread from one hand to ten hands, and it is said that it has a history of more than 600 years from spread to modern times.