"Go home with three treasures, a soup bottle cap and a bowl of white hat." This is a Hui proverb widely circulated in Ningxia. The soup bottle was originally used to make tea and soup, and later it was used as a special appliance for Hui people to take a bath and clean themselves. It has a history of at least 1200 years. "Soup bottle" has many names. In ancient times, it was called Tang pot and Tang bottle pot, also known as soup pot, soup bottle pot, junchi and washing pot. Soup bottles are not only large and small, but also used for bathing and body cleaning in general families. Old people say it's clean, hygienic, civilized and healthy.