There is no word "roast" at the entrance of Handan. According to the management information of outdoor advertisements and signboards in Handan City, there is no regulation prohibiting the use of baked characters in Handan City. Merchants should follow the principle of good faith in advertising, and cannot exaggerate false propaganda and mislead consumers. Handan is a prefecture-level city in Hebei Province, China, located in the east of North China Plain. Handan has a long history and culture and occupies an important position in the history of China civilization. It was once one of the important cities of Qi in the Spring and Autumn Period and the political, military and cultural center of Qin and Han Dynasties.