Termites are the worst in the yin house. Some masters say that ants add soil to the grave, and the longer the grave, the bigger it is. Alas, I want to ask, the bones have been swallowed by termites. What other physical things can make our ancestors peaceful? It is very taboo to have termites in the grave. The Encyclopedia of Entering the Earth (Elder Gutuo (Song Dynasty)) mentioned how to break the grave, which contained termites. However, many geomantic books in later generations mentioned the harm of termites in tombs. There are many reasons for termites. Ugly wind and fierce water are certainly not good things. There are termites in the grave, and their offspring will surely bring unexpected casualties and diseases.