Legal basis: Notice of the Ministry of Railways on Extensively Carrying out the Activities of "Serving Passengers, Striving for Excellence" in the Passenger Transport Window of the whole Railway. In order to improve the quality of catering supply, according to the idea of "base production, route catering, professional supervision and socialized evaluation", relying on the motor train catering base and supply and marketing network, the local catering of origin and return journey is realized. Realize localized catering in Beijing before the end of the year: In the first half of next year, all bureaus will strive to realize localized catering in areas where conditions permit. Optimize the meal structure, and choose prepackaged box lunch for EMU meals. The food structure should be mainly cold chain, and the food mouth should be properly supplied with hot chain. Ordinary passenger trains should give full play to the on-site production conditions of dining cars, implement standardized recipes, and advocate the boarding of finished products, semi-finished products and clean vegetables. Take the railway bureau as the unit, formulate and improve the management measures for catering commodities before the end of the year, and improve the unified procurement mechanism. All bureaus should clarify the varieties of goods sold by passenger trains, establish a list of train goods, formulate reasonable prices according to the principle of matching quality with price, announce them to passengers, urge passengers to accept supervision, and prohibit the sale of "three noes" and fake and shoddy goods. Ensure that passenger trains have mineral water below 2 yuan, lunch boxes below 15 yuan, etc. , shall not be cut off.