2. First of all, most of the places where ants live are very dark, so this is the representative of extremely heavy yin, and the normal living environment of human beings should be full of yang, so if ants come into the house, it means that the yin at home is very heavy, which may be harmful to the physical and mental health of their families; Secondly, ants are animals that destroy houses, homes and food. If ants enter the house, it will do some harm to the building itself. Finally, although ants are relatively small, they are still aggressive and do harm to the personal safety of their families.