[Zibo Market Regulatory Administration: strengthen price monitoring, supervision and inspection of barbecue merchants, hotels and guesthouses] the Zibo Market Regulatory Administration issued a warning letter on standardizing operators' price behavior. All relevant business operators should strictly abide by the laws and regulations on explicit pricing and prohibition of price fraud in the Price Law of the people's Republic of China, strengthen price self-discipline, and follow the principles of fairness, legality, honesty and creditworthiness, to provide the majority of consumers with goods and services at reasonable prices, and consciously safeguard market price order and public interests. Meituan data show that on April 14 and 15, the growth rate of train ticket search for "Zibo" ranked first in the country, up 988% from the previous month. Barbecue has also led to the development of life services such as tickets for scenic spots in Zibo and even Shandong. Meituan, Dianping data show that during the May Day period, Zibo tourism orders (including hotel, scenic spot tickets) increased by more than 2000% compared with the same period last year.