In fact, the saying that rice exorcises evil spirits comes from the technology of exorcising evil spirits from grains. In fact, this method can often be seen in funeral customs. At first, it brought some food to the dead so that there was food there. Later, it began to say that whole grains can kill ghosts and ward off evil spirits (because it is said that dead people will not come out to make trouble because there are coffins of whole grains), especially glutinous rice, which was spread by zombie movies in Hong Kong. Up to now, in Hakka customs in western Fujian, there is still the habit of wrapping rice, soybeans/black beans, tea, salt and copper coins in red cloth as amulets. In international application, rice is especially useful for people who are prone to ghost dreams and children to soothe their nerves. In fact, the saying that rice exorcises evil spirits comes from the technology of exorcising evil spirits from grains, which can often be seen in funeral customs.
Many people have a misunderstanding about evil spirits, thinking that they must get it from the monk's way, and only high-value ones can be used. In fact, there are many commonly used folk, which can be seen with a little attention. In fact, evil spirits are at your fingertips and can be seen everywhere. If you need to ward off evil spirits, you can easily use it for emergency use. Because of its reflective function, mirrors are used by many people as evil spirits in feng shui items. Red paper used to be mainly used to write Spring Festival couplets, and a small note was put on someone else's gift package as a seal. In fact, the idea of sealing and putting red paper on the door (although written on it) are used to pray for evil spirits. In the folk, you can often see red paper cut into small strips and pasted on doors, bedside, pigsty and cowshed doors, cars, windmills, etc. to pray for evil spirits and safety. The original source is that red paper represents blood sacrifice, that is, the blood of livestock and even enemies is smeared at important positions to deter the enemy's evil spirits, and later it evolved into red paper.