Hunanese. By viewing the information about the Crayfish Pingdao program, Wu Fei is a famous food critic and food writer who has received widespread attention for his research and promotion of the cuisine and crayfish culture of his hometown of Hunan. Therefore, Wu Fei, who talks about crayfish flatness, is from Hunan. Wu Fei has published many food books, such as "Hunan Snacks" and "Crayfish Culture". In Wu Fei's books and articles, he deeply explored and introduced the food culture of his hometown Hunan, as well as the status and significance of crayfish in Hunan culture.