As a formidable sight, people were also more than aware of Lei Zhenzi's activities. Upon hearing the first of spring's thunder, they would shake all their clothes free of bugs and bad luck. In the countryside, people would sprinkle lime over the threshold to their house as a warning to ants and other insects that they were not welcome.
More serious methods were employed to deal with tigers and other ravenous beasts that had not eaten all winter. People would fill large jars with pig oil and the attempt to pour it into the tigers' mouths; the thinking being they would then be too full to be a threat to people.