Pizza Hut usually delivers food within 7 kilometers. According to the inquiry of Pizza Hut official website, Pizza Hut is a brand of Yum! Brands Group, founded in 1958, is headquartered in Wichita, Kansas, USA, with an annual turnover of over 4 billion US dollars. In China market, Pizza Hut is divided into four levels, among which the four-level market represented by county-level cities is the tentacles of Pizza Hut's expansion.