[Feeding venomous insects among the people and the measures to curb and control this addiction by the government in the Song Dynasty].

Feeding venomous insects, a mystic witchcraft of producing poisonous materials to spoil other people has a long history which was still popular in the southern part of the Song Dynasty, aiming at revenge of one's enemy and the occupation of other's property. The Song government took a strict measures to tackle it, including enacting a decree to prohibiting it, encouraging people to report such malpractice, punishing heavily the person committing such criminal behavior and, at the same time, providing recipes and medicines to remedy its ensued disorders. All of these were helpful to the improvement of social morality.