What should be put under the floor tile?

Newly bought houses are decorated with tiles, usually coins, which are usually placed under the first brick at the entrance, or under the doorstones, or around the ground of the house. In some places in the south of the Yangtze River, red cloth is wrapped on the main beam, and then coins are stuck on the main beam, and red cloth is stuck on the main beam by coins. The moral is to ask for a good omen, be suitable for the right family, or be rich (rich). 2. There are also many places on the beam, such as in front of the store, above the door and so on. It means the same thing, get rich. Everyone puts coins into these categories. Of course, it's ok to replace the old copper coin, because money is made of metal, and many experts say that money belongs to gold, which has the power to ward off evil spirits, stop villains and reverse Kun, so it's good to put it under the floor tile at the door.