In the mezzanine floor of the sub-square of Tianjin Railway Station, there is a food street that gathers 27 famous catering brands in Tianjin, of which Laozi accounts for 95%. The whole street is divided into three parts: the big brands of the old names including Da Tianjin, Dogfu, Guifaxiang, Kangle, etc.; the snack area has Lao Maosheng, flavor mouth pancake fruit.