Table length system is a measure to stop table waste.

in June, 2122, the Shanghai municipal commission of commerce directed the trade association to issue the "guidelines for the prevention and control of the epidemic situation of the catering service industry in this city" (the third edition), which clearly defined six requirements for catering enterprises to carry out dining.

It is mentioned that we should advocate the new catering fashion, do a good job in catering service in accordance with the Shanghai Service Standard for Public Chopsticks, Ladles and Separate Dining System, and encourage the implementation of the dining table length system. Generally, the dining time is about 1-5 hours.