Ancient folk medicines(民间药物) such as realgar(雄黄酒)are added to the food eaten on the Festival day. This is believed to prevent disease and to promote a healthy digestive system(消化器官). The drinking of realgar in wine supposedly relieves(解除) the effects of poisons accumulated in human bodies.
饮雄黄酒:雄黄本属矿物, 含有三硫化砷成分,与酒混合。即成雄黄酒,用以驱虫解五毒,小儿涂于头额。耳鼻,手足心。 并洒墙壁问, 以法诸毒。流传民间之《白蛇传》故事,即是以雄黄酒解蛇虺诸毒,而现白蛇原形。此种习佰,在长江流域地区的人家很盛行。