How to punish opponents for writing religious couplets?

It does not affect society, as long as it does not endanger the health of others, it will not be punished.

Feudal superstition is not a legal concept, but a specialized term formed by convention after the liberation of China, which refers to people's thoughts and behaviors of believing in astrology, divination, witch doctors, geomantic omen, signs of life, ghosts and gods, etc. In China, superstitious activities are not protected by national laws. However, those who use feudal superstition to disturb social order and harm the health of others should be punished according to the situation.