Traditional cultural practices around Qingming Festival
In 636 BC, Duke Wen, a ruler of the Jin State in ancient China, forbade, in commemoration of his virtuous official Jie Zitui, all households from using fire for cooking on the anniversary of Jie's death.
Culture of Cold Food Day
For Cold Food Day and Qingming Festival, ready-to-eat cold foods are popular as more people engage go out on excursions. Cold Food Day is usually a couple of days before Qingming Festival, which originally banned fire and included eating cold food.