Laohuo Soup (Guangfu Soup) is a traditional dish of Guangdong Han nationality and one of the characteristics of Cantonese cuisine. It is the secret recipe of food supplement and health preservation handed down by Guangfu people for thousands of years. Chinese old fire soup cooked by slow fire has enough calories and takes a long time. It not only takes the effect of medicine to make up, but also takes the sweetness in the mouth. The soup stewed over water is the old fire soup, and the old fire soup stewed over water is more delicious.