On the 25th, the special lecture on "folk customs and food culture in old Tianjin" was delivered at Tianjin ancient books publishing house. The distinguished researcher of modern Tianjin History Research Center dug into the 600 year accumulation of the city on the national day and shared all aspects of Jingu food culture and characteristic folk customs with readers. Tianjin folk customs are all inclusive and interesting. From the national day to the old advertising as the starting point, explore the development of folk culture for many years, and uncover the dusty memory. The advertising history derived from social commodity exchange restores the various forms of the market in its narration, and reproduces the local cultural characteristics of Tianjin, a 600 year old city, which is memorable. "As early as in Xingshi marriage biography, which was based on the market life of the Ming Dynasty, crabs became Tianjin's food business card, which was as famous as Gaoyou duck eggs, Beijing amber sugar and other local specialties. At the same time, influenced by river and sea folk customs, 'borrowing money to eat seafood is not too bad', and the optimistic and open-minded character of Tianjin people gradually formed a unique folk custom in old Tianjin, which is also one of the important sources of happiness in modern cities." When talking about food culture, said by the national day. Tianjin Haihe River Basin is rich in resources and abundant in people. Under the combination of Chinese and Western cuisine, North-South food culture, wharf culture affecting the lifestyle of Tianjin people, and the multicultural impact of modern Chinese history, the Tianjin folk culture formed is inclusive and integrated, which is one of the important manifestations of local characteristics. The relevant person in charge of Tianjin Ancient Books Publishing House said that in the future, in the process of popularizing the excellent traditional culture of the Chinese nation and the history and culture with local characteristics, the publishing house will continue to organize folk custom lectures to systematically show the folk culture with Tianjin characteristics. At the same time, it is hoped that the live audience will compare the lecture content with the offline readers, go to Tianjin to pursue the snow and mud and find the smoke of the city. (outlook new era)